def factors(number):
    import math
    factors_list = []
    for factor in range(1, number // 2 + 1):
        if number % factor == 0:
            factors_list.append(factor)
    factors_list.append(number)
    return factors_list

if __name__ == '__main__':
    x = 1
    n = 2
    while True:
        check = len(factors(x))
        print(check, x)
        if check > 500: break
        x += n
        n += 1
    print(x)