#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define fi first
#define se second
typedef pair<ll,ll> P;
#define Mod 1000000007
using VP = vector<P>; using VVP = vector<VP>;
using VI = vector<ll>; using VVI = vector<VI>; using VVVI = vector<VVI>;
#define INF 1234567890

ll n,k;

ll cal(ll i){
    if(i>2*n||i<=0) return 0;
    else if(i<=n+1) return i-1;
    else return cal(2*n+2-i);
}

int main(){
    ll i,j;
    cin>>n>>k;
    ll ans=0;
    for(i=1;i*i<=k;i++){
        if(k%i==0){
            ans+=2*cal(i)*cal(k/i);
        }
        if(i*i==k) ans-=cal(i)*cal(k/i);
    }
    cout<<ans<<endl;
    
    return 0;
}