#include<cstdio>
#include<iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>
#include<limits>

#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ll, string> pls;

#define MAX_N 1000000

int n;
int a[100010];
int used[MAX_N+1];
map<int, int> m;

int main()
{
	cin >> n;

	int mx = 0;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
		m[a[i]] = 1;
		mx = max(mx,a[i]);
	}

	sort(a, a + n);

	int num, num_mx = 0,x,ans = 0;
	for (int i = 0; i < n - num_mx; i++) {
		if (a[i] == 1)continue;
		if (used[a[i]])continue;
		x = a[i];
		for(int k= 1; k * x <= mx; k++){
			num = 0;
			x = k * a[i];
			if (used[k*a[i]])continue;
			if (!m[k*a[i]])continue;
			for (int j = 1; x * j <= mx; j++) {
				if (m[x * j]) {
					used[x*j] = 1;
					num++;
					x = x*j;
					j = 1;
				}
			}
			ans = max(ans,num);
			x = a[i];
		}
		num_mx = max(num_mx, ans);
	}
	if (a[0] == 1)num_mx++;
	cout << num_mx << endl;
	return 0;
}