#![allow(unused_imports)]
#![allow(non_snake_case)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let n = read::<usize>();
    let a = read_vec::<i64>();

    let mut dp = vec![HashMap::<i64, i64>::new(); n];

    for i in 0..n {
        *dp[i].entry(a[i]).or_insert(0) += 1;
        for j in i + 1..n {
            for &key in dp[i].clone().keys() {
                let g = gcd(key, a[j]);
                *dp[j].entry(g).or_insert(0) += dp[i][&key];
            }
        }
    }
    // debug!(dp);

    let ans = (0..n).map(|i| *dp[i].entry(1).or_insert(0)).sum::<i64>();
    println!("{}", ans);
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}

fn gcd(a: i64, b: i64) -> i64 {
    if b == 0 {
        return a;
    }
    gcd(b, a % b)
}