#include <bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i,n) for(int i = 0;i < (int)(n);i++)
#define RREP(i,n) for(int i = (int)n-1;i >= 0;i--)
#define FOR(i,s,n) for(int i = s;i < (int)n;i++)
#define RFOR(i,s,n) for(int i = (int)n-1;i >= s;i--)
#define ALL(a) a.begin(),a.end()
template<class T>inline bool CHMAX(T&a,T b){if(a<b){a = b;return true;}return false;}
template<class T>inline bool CHMIN(T&a,T b){if(a>b){a = b;return true;}return false;}
constexpr long long INF = 1e18;

vector<pair<long long, long long> > prime_factorize(long long n) {
	//計算量は√N!!!
	vector<pair<long long, long long> > res;
	for (long long p = 2; p * p <= n; ++p) {
		if (n % p != 0) continue;
		int num = 0;
		while (n % p == 0) { ++num; n /= p; }
		res.push_back(make_pair(p, num));
	}
	if (n != 1) res.push_back(make_pair(n, 1));
	return res;
}

int gcd(int x,int y)
{
	if(x==0) return y;
	return gcd(y%x,x);
}
int lcm(int x, int y)
{
	return (x * y / gcd(x, y));
}

signed main(){
	int N;
	cin>>N;
	vector<int> a(N); for(auto& e:a)cin >> e;
	map<int,int>dp;
	dp[a[0]]=1;
	FOR(i,1,N){
		for(auto e:dp){
			dp[gcd(e.first,a[i])]+=e.second;
		}
		
		dp[a[i]]++;
	}
	cout<<dp[1]<<endl;
}