168979020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402331}}^1$

素因数の和:402350

約数の個数: 48

約数和(自身を含む): 540734208

約数和(自身を除く): 371755188

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, 402331, 804662, 1206993, 1609324, 2011655, 2413986, 2816317, 4023310, 4827972, 5632634, 6034965, 8046620, 8448951, 11265268, 12069930, 14081585, 16897902, 24139860, 28163170, 33795804, 42244755, 56326340, 84489510, 168979020]

約数ペア:

[(1, 168979020), (2, 84489510), (3, 56326340), (4, 42244755), (5, 33795804), (6, 28163170), (7, 24139860), (10, 16897902), (12, 14081585), (14, 12069930), (15, 11265268), (20, 8448951), (21, 8046620), (28, 6034965), (30, 5632634), (35, 4827972), (42, 4023310), (60, 2816317), (70, 2413986), (84, 2011655), (105, 1609324), (140, 1206993), (210, 804662), (420, 402331)]