#include <iostream>

using namespace std;
typedef long long ll;
ll n,k;
ll solve(ll x){
	if(x>2*n) return 0;
	if(x<=1) return 0;
	if(x<=n + 1) return x - 1;
	return 2*n - x + 1;
}

int main(){
	cin >> n >> k;
	ll ans = 0;
	for(ll i=1;i*i<=k;i++){
		if(k%i==0){
			ans += solve(i)*solve(k/i);
			if(i*i!=k){
				ans += solve(k/i)*solve(i);
			}
		}
	}
	cout << ans << endl;
}