#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

signed main(){
    //cout << setprecision(16) ;
    ios::sync_with_stdio(false);
	cin.tie(0);

    ll n,k;
    cin>>n>>k;
    vector<ll> v;
    for(ll i=1;i*i<=k;i++){
        if(k%i==0){
            v.push_back(i);
            
            if(i*i!=k) v.push_back(k/i);
            
        }
    }
    ll ans = 0;
    for(auto i:v){
        if(i>2*n || k/i>2*n) continue;
        ans += (min(i-1,n) - (i-min(i-1,n))+1) * (min(k/i-1,n) - (k/i - min(k/i-1,n))+1);
    }
    cout<<ans<<endl;

}