178321620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2972027}}^1$

素因数の和:2972039

約数の個数: 24

約数和(自身を含む): 499300704

約数和(自身を除く): 320979084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2972027, 5944054, 8916081, 11888108, 14860135, 17832162, 29720270, 35664324, 44580405, 59440540, 89160810, 178321620]

約数ペア:

[(1, 178321620), (2, 89160810), (3, 59440540), (4, 44580405), (5, 35664324), (6, 29720270), (10, 17832162), (12, 14860135), (15, 11888108), (20, 8916081), (30, 5944054), (60, 2972027)]