78647880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655399}}^1$

素因数の和:655413

約数の個数: 32

約数和(自身を含む): 235944000

約数和(自身を除く): 157296120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655399, 1310798, 1966197, 2621596, 3276995, 3932394, 5243192, 6553990, 7864788, 9830985, 13107980, 15729576, 19661970, 26215960, 39323940, 78647880]

約数ペア:

[(1, 78647880), (2, 39323940), (3, 26215960), (4, 19661970), (5, 15729576), (6, 13107980), (8, 9830985), (10, 7864788), (12, 6553990), (15, 5243192), (20, 3932394), (24, 3276995), (30, 2621596), (40, 1966197), (60, 1310798), (120, 655399)]