use std::io::Read;

fn gcd(a: u64, b: u64) -> u64 {
    if b == 0 {
        a
    } else {
        gcd(b, a % b)
    }
}

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let n: usize = itr.next().unwrap().parse().unwrap();
    let a: Vec<u64> = (0..n)
        .map(|_| itr.next().unwrap().parse().unwrap())
        .collect();
    // dp[i] := 最大公約数がiである部分列の選び方
    let mut ans: u64 = 0;
    for i in 0..n {
        let mut dp = std::collections::HashMap::new();
        dp.insert(1, 0);
        dp.insert(a[i], 1);
        for j in i + 1..n {
            let mut dp_tmp = std::collections::HashMap::new();
            for (&k, &v) in dp.iter() {
                let num = dp_tmp.entry(gcd(k, a[j])).or_insert(0);
                *num += v;
                let num = dp_tmp.entry(k).or_insert(0);
                *num += v;
            }
            for (&k, &v) in dp_tmp.iter() {
                let num = dp.entry(k).or_insert(v);
                *num = v;
            }
        }
        ans += dp[&1];
    }
    println!("{}", ans);
}