#include "bits/stdc++.h"
using namespace std;
#define int long long
#define FOR(i, a, b) for(int i=(a);i<(b);i++)
#define RFOR(i, a, b) for(int i=(b-1);i>=(a);i--)
#define REP(i, n) for(int i=0; i<(n); i++)
#define RREP(i, n) for(int i=(n-1); i>=0; i--)
#define REP1(i, n) for(int i=1; i<=(n); i++)
#define RREP1(i, n) for(int i=(n); i>=1; i--)
#define ALL(a) (a).begin(),(a).end()
#define UNIQUE_SORT(l) sort(ALL(l)); l.erase(unique(ALL(l)), l.end());
#define CONTAIN(a, b) find(ALL(a), (b)) != (a).end()
#define out(...) printf(__VA_ARGS__)

int dxy[] = {0, 1, 0, -1, 0};

void solve();
signed main()
{
#if DEBUG
    std::ifstream in("input.txt");
    std::cin.rdbuf(in.rdbuf());
#endif
    cin.tie(0);
    ios::sync_with_stdio(false);
    solve();
    return 0;
}

/*================================*/
#if DEBUG
#define MAX 1000000
#else
#define MAX 100000001
#endif

int N;
map<int, int> DP[50];

int gcd(int a, int b) {
    if(a < b) swap(a,b);
    int r;
    while ((r=a%b)) {
        a = b;
        b = r;
    }
    return b;
}

void solve() {
    cin>>N;
    int a;
    REP(i,N) {
        cin>>a;
        if (i) {
            DP[i][a] = 1;
            for (auto p:DP[i-1]) {
                int j = p.first;
                DP[i][j] += DP[i-1][j];
                DP[i][gcd(j,a)] += DP[i-1][j];
            }
        } else {
            DP[0][a] = 1;
        }
    }
    
    cout << DP[N-1][1] << endl;
}