#!/bin/python3

import sys
def sequen(x):
    sm=x;
    while(x%2==0):
        x/=2;
        sm+=x;
    while(x%3==0):
        x/=3
        sm+=x;
    while(x%5==0):
        x/=5
        sm+=x
    while(x%7==0):
        x/=7
        sm+=x
    
    if(x==1):
        return sm;

def longestSequence(a):
    sm=0
    for i in a:
        sm+=sequen(i)
    return int(sm);

if __name__ == "__main__":
    n = int(input().strip())
    a = list(map(int, input().strip().split(' ')))
    result = longestSequence(a)
    print(result)