#include<iostream>
#include<string>
#include<iomanip>
#include<cmath>
#include<vector>
#include<algorithm>
#include<map>

using namespace std;

#define int long long
#define endl "\n"

const long long INF = (long long)1e18;
const long long MOD = 1'000'000'007; 

string yn(bool f){return f?"Yes":"No";}
string YN(bool f){return f?"YES":"NO";}



signed main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	cout<<fixed<<setprecision(10);
	
	int N;
	vector<int> a;
	vector<map<int,int>> dp;
	int ans = 0;
	
	cin>>N;
	
	a.resize(N);
	dp.resize(N);
	
	for(int i = 0; i < N; i++){
		cin>>a[i];
		
		for(int k = 0; k < i; k++){
			for(pair<int,int> p : dp[k]){
				dp[i][__gcd(p.first, a[i])] += p.second;
			}
		}

		dp[i][a[i]]++;
		
		ans += dp[i][1];
	}
	
	cout<<ans<<endl;
	
	return 0;
}