#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;
using VP = vector<P>; using VVP = vector<VP>;
using VI = vector<int>; using VVI = vector<VI>; using VVVI = vector<VVI>;
const int inf=1e9+7;
const ll INF=1LL<<60;
const ll mod=1e9+7;

ll gcd(ll a,ll b){
    if(a<b) swap(a,b);
    if(a%b==0) return b;
    else return gcd(a%b,b);
}

int main(){
    ll i,j;
    ll n;
    cin>>n;
    ll a[n];
    for(i=0;i<n;i++) cin>>a[i];
    map<ll,ll> ma,ma2;
    ma[a[0]]=1;
    for(i=1;i<n;i++){
        ma2=ma;
        for(auto it=ma.begin();it!=ma.end();++it){
            ma2[gcd(it->first,a[i])]+=it->second;
        }
        ma2[a[i]]++;
        ma=ma2;
    }
    cout<<ma[1]<<endl;
  
}