#include "bits/stdc++.h" using namespace std; #ifdef _DEBUG #include "dump.hpp" #else #define dump(...) #endif //#define int long long #define rep(i,a,b) for(int i=(a);i<(b);i++) #define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--) #define all(c) begin(c),end(c) const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f; const int MOD = 1'000'000'007; template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } signed main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector x(N); rep(i, 0, N) { cin >> x[i]; } sort(all(x)); vector v(x.back() + 1); rep(i, 0, N) { v[x[i]] = 1; } int ans = 0; rep(i, 0, N) { int c = 0; int k = x[i]; for (int j = k; j <= x.back(); j += k) { dump(j, k); if (v[j] == 1) { c++; k = j; } } chmax(ans, c); } cout << ans << endl; return 0; }