using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;

class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        int itemCount = int.Parse(Reader.ReadLine());

        int[] items = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).OrderBy(a=>a).ToArray();

        int max = items[items.Length - 1];

        Dictionary<int, TreeNode> dic = new Dictionary<int, TreeNode>();
        for(int i=0; i<items.Length; i++) {
            dic.Add(items[i], new TreeNode(i, items[i]));
        }
        for(int i=0; i<items.Length; i++) {
            int num = items[i];
            TreeNode t = dic[num];
            int tmp = max / num;
            if(dic.Count > tmp) {
                for(int j=2; j<=tmp; j++) {
                    if(dic.ContainsKey(num*j)) {
                        dic[num*j].Add(t);
                    }
                }
            } else {
                for(int j=i+1; j<items.Length; j++) {
                    if(items[j] % num == 0) {
                        dic[items[j]].Add(t);
                    }
                }
            }
        }
        int ans = 0;
        foreach (int key in dic.Keys)
        {
            ans = Math.Max(ans, dic[key].Length);
        }
        Console.WriteLine(ans);
    }

    public class TreeNode {
        public int Number;
        public int Index;
        public List<TreeNode> Items = new List<TreeNode>();

        public TreeNode Add(TreeNode child) {
            this.Items.Add(child);
            return child;
        }

        public int Length {
            get {
                if(this.LenValue == null) {
                    if(this.Items.Count == 0) {
                        this.LenValue = 1;
                    } else
                    {
                        this.LenValue = this.Items.Max(a=>a.Length) + 1;
                    }
                }
                return this.LenValue.Value;
            }
        }
        private Nullable<int> LenValue = null;
        public TreeNode(int idx, int num) {
            this.Index = idx;
            this.Number = num;
        }
    }



    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"


7
1 2 22 88 8 4 440


 
";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }

    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}