#include #define rep(i, n) for(int(i) = 0; (i) < (n); (i)++) #define FOR(i, m, n) for(int(i) = (m); (i) < (n); (i)++) #define ALL(v) (v).begin(), (v).end() #define LLA(v) (v).rbegin(), (v).rend() #define PB push_back #define MP(a, b) make_pair((a), (b)) using namespace std; template inline vector make_vec(size_t a, T val) { return vector(a, val); } template inline auto make_vec(size_t a, Ts... ts) { return vector(a, make_vec(ts...)); } template inline T read() { T t; cin >> t; return t; } template inline vector readv(size_t sz) { vector ret(sz); rep(i, sz) cin >> ret[i]; return ret; } template inline tuple reads() { return {read()...}; } template struct edge { int to; T cost; edge(int t, T c) : to(t), cost(c) {} }; using ll = long long; using pii = pair; using pll = pair; using Graph = vector>; template using WGraph = vector>>; const int INF = 1 << 30; const ll LINF = 1LL << 60; const int MOD = 1e9 + 7; set divisor(ll n) { set ret; for(ll i = 1; i * i <= n; i++) { if(n % i == 0) { ret.insert(i); if(i * i != n) ret.insert(n / i); } } return ret; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int N = read(); auto A = readv(N); map dp; for(int i = 0; i < N; i++) { for(auto [gcd, num] : dp) { dp[__gcd(gcd, A[i])] += dp[gcd]; } dp[A[i]] += 1; } cout << dp[1] << endl; }