#include <stdio.h>
#include <stdlib.h>
 
int main()
{
    long long num = 2520;
    long long factor[999], halfof = num / 2;
    long long i;
 
    for (i = 0; i < 999; i++){
        factor[i] = 0;
    }
 
    int factorIndex = 0;
    for (i = 2; i <= halfof; i++){
       if (num % i == 0){
          factor[factorIndex++] = i;
       }
    }
 
    for (i = 0; i < factorIndex ; i++){
        printf("%ld ", factor[i]);
    }
 
    return 0;
}

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