#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll mod=1000000007;
ll inf=999999999999999999;
int main(){
    ll n,k;
    cin >> n >> k;
    vector<ll>yak;
    for (ll i = 2; i*i <=k; i++)
    {
        if (k%i==0)
        {
            if (i*i==k)
            {
                yak.push_back(i);
            }else{
                yak.push_back(i);
                yak.push_back(k/i);
            }
        }
    }
    ll ans=0;
    for (ll i = 0; i < yak.size(); i++)
    {
        ll x=yak[i],y=k/yak[i];
        ll a;
        if (x>n*2||y>n*2)
        {
            continue;
        }
        if (x<=n)
        {
            a=x-1;
        }else{
            a=x-(x-n)-(x-n)+1;
        }
        ll b;
        if (y<=n)
        {
            b=y-1;
        }else{
            b=y-(y-n)-(y-n)+1;
        }
        ans+=a*b;
    }
    cout << ans << endl;
}