#include <stdio.h>
 
unsigned long long n, res;
int p, primes[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 51, 53, 59, 61, 67, 71};
 
unsigned long long mul(unsigned long long a, unsigned long long b){
    unsigned long long res = 0;
 
    while (b){
        if (b & 1LL) res = (res + a);
        if (res >= n) return 0;
        a = (a << 1LL);
        b >>= 1LL;
    }
 
    return res;
}
 
void backtrack(int i, int lim, unsigned long long val, unsigned long long r){
    if (r > res) res = r;
    if (i == p) return;
 
    int d;
    unsigned long long x = val;
 
    for (d = 1; d <= lim; d++){
        x = mul(x, primes[i]);
        if (x == 0) return;
        backtrack(i + 1, d, x, r * (d + 1));
    }
}
 
int main(){
    /* Tested for n <= 10^18 */
 
    p = sizeof(primes) / sizeof(int);
 
    while (scanf("%llu", &n) != EOF){
        res = 0;
        backtrack(0, 100, 1, 1);
        printf("Maximum number of divisors of any number less than %llu = %llu\n", n, res);
    }
    return 0;
}
 

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10
100
1000000
1000000000
1000000000000
1000000000000000
1000000000000000000