#include using namespace std; typedef long long ll; #define REP(i,n) for(int i=0; i #define VLL vector #define VVI vector> #define VVLL vector> #define VC vector #define VS vector #define VVC vector> #define VB vector #define VVB vector> #define fore(i,a) for(auto &i:a) typedef pair P; template bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } const int INF = 1 << 29; const ll INFL = 1LL << 60; const ll mod = 1000000007; ll gcd(ll x, ll y) { if (y == 0) return x; return gcd(y, x%y); } int main() { int n; cin >> n; VI a(n); REP(i, n)cin >> a[i]; map b; map c; map d; b[a[0]] = 1; FOR(i, 1, n) { c[a[i]] = 1; for (auto j : b) { c[gcd(j.first, a[i])] += j.second; c[j.first] += j.second; } b = c; c = d; } cout << b[1] << endl; }