120631980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{287219}}^1$

素因数の和:287238

約数の個数: 48

約数和(自身を含む): 386023680

約数和(自身を除く): 265391700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 287219, 574438, 861657, 1148876, 1436095, 1723314, 2010533, 2872190, 3446628, 4021066, 4308285, 5744380, 6031599, 8042132, 8616570, 10052665, 12063198, 17233140, 20105330, 24126396, 30157995, 40210660, 60315990, 120631980]

約数ペア:

[(1, 120631980), (2, 60315990), (3, 40210660), (4, 30157995), (5, 24126396), (6, 20105330), (7, 17233140), (10, 12063198), (12, 10052665), (14, 8616570), (15, 8042132), (20, 6031599), (21, 5744380), (28, 4308285), (30, 4021066), (35, 3446628), (42, 2872190), (60, 2010533), (70, 1723314), (84, 1436095), (105, 1148876), (140, 861657), (210, 574438), (420, 287219)]