#include<bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint=modint998244353; //1000000007;
using ll=long long;
using pp=pair<int,int>;
#define sr string 
#define vc vector
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define pb push_back
#define all(v) v.begin(),v.end()
#define pque priority_queue
#define bpc(a) __builtin_popcount(a)
int main(){
  int n;cin>>n;
  vc<pp>v(n); for(auto&[a,b]:v)cin>>a>>b;
  int m=2e5+5;
  vc d(m,vc<int>(0));
  for(int i=1;i<m;i++)for(int j=i;j<m;j+=i)d[j].pb(i);
  vc dx(m,vc<pp>(0));
  for(auto p:v)for(auto au:d[p.fi])dx[au].pb(p);
  int ans=0;
  for(int i=1;i<m;i++){
    auto& vx=dx[i];
    sort(all(vx),[&](pp a,pp b){
      return (ll)a.fi*a.se>=(ll)b.fi*b.se;
    });
    int mn=1e9+5;
    for(auto [a,b]:vx){
      ans=max(ans,b/mn);
      mn=min(mn,a/i);
    }
  }
  cout<<ans;
}