397854960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1657729}}^1$

素因数の和:1657745

約数の個数: 40

約数和(自身を含む): 1233351120

約数和(自身を除く): 835496160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1657729, 3315458, 4973187, 6630916, 8288645, 9946374, 13261832, 16577290, 19892748, 24865935, 26523664, 33154580, 39785496, 49731870, 66309160, 79570992, 99463740, 132618320, 198927480, 397854960]

約数ペア:

[(1, 397854960), (2, 198927480), (3, 132618320), (4, 99463740), (5, 79570992), (6, 66309160), (8, 49731870), (10, 39785496), (12, 33154580), (15, 26523664), (16, 24865935), (20, 19892748), (24, 16577290), (30, 13261832), (40, 9946374), (48, 8288645), (60, 6630916), (80, 4973187), (120, 3315458), (240, 1657729)]