代码:
#include <cstdio>
#include <algorithm>
using namespace std;
int q(int a,int b)
{
while (a % b != 0)
{
int r = a % b;
a = b;
b = r;
}
return b;
}
int n,x,k;
int main()
{
scanf("%d%d",&n,&x);
for(int i=n;i<=x;i++)
{
for(int j=n;j<=x;j++)
{
if(q(i,j)==n&&i*j/q(i,j)==x)
{
k++;
}
}
}
printf("%d",k);
return 0;
}