#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define EPS (1e-7)
#define INF (1e9)
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) x.begin(),x.end()
const double PI = acos(-1);
const ll MOD = 1000000007;
template<class T>
inline bool chmax(T &a, T b) {
    if(a < b) {
        a = b;
        return true;
    }
    return false;
}
 
template<class T>
inline bool chmin(T &a, T b) {
    if(a > b) {
        a = b;
        return true;
    }
    return false;
}
///////////////////////////////////////////////////////////////

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
	ll N,K; cin >> N >> K;

	vector<ll> A;
	for (int i = 2; i*i <= K; i++) {
		if (K % i == 0) {
			if (i*i != K) {
                A.emplace_back(i);
			    A.emplace_back(K/i);
			} else A.emplace_back(i);
		} 
	}
	ll ans = 0;
	rep(i,A.size()) {
		if (A[i] > 2LL*N || K/A[i] > 2LL*N) continue;
		ll p = {A[i]-1 <= N ? A[i]-1LL : 2LL*N-A[i]+1};
		ll q = {K/A[i]-1 <= N ? K/A[i]-1LL : 2LL*N-K/A[i]+1LL};
		ans += p*q;
	}

	cout << ans << endl;	
}