155250960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646879}}^1$

素因数の和:646895

約数の個数: 40

約数和(自身を含む): 481278720

約数和(自身を除く): 326027760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646879, 1293758, 1940637, 2587516, 3234395, 3881274, 5175032, 6468790, 7762548, 9703185, 10350064, 12937580, 15525096, 19406370, 25875160, 31050192, 38812740, 51750320, 77625480, 155250960]

約数ペア:

[(1, 155250960), (2, 77625480), (3, 51750320), (4, 38812740), (5, 31050192), (6, 25875160), (8, 19406370), (10, 15525096), (12, 12937580), (15, 10350064), (16, 9703185), (20, 7762548), (24, 6468790), (30, 5175032), (40, 3881274), (48, 3234395), (60, 2587516), (80, 1940637), (120, 1293758), (240, 646879)]