use std::collections::HashMap;
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();
        
    let mut dp: HashMap<u64, u64> = HashMap::new();
    for i in 0..n {
        let mut tmp: HashMap<u64, u64> = HashMap::new();
        for (k, v) in &dp {
            if *k == 0 {
                let num = tmp.entry(a[i]).or_default();
                *num += v;
            } else {
                let num = tmp.entry(gcd(*k, a[i])).or_default();
                *num += v;
            }
            let num = tmp.entry(*k).or_default();
            *num += v;
        }
        dp = tmp;
        dp.entry(a[i]).or_insert(1);
        dp.entry(0).or_insert(1);
    }
    println!("{}", dp.entry(1).or_default());
}