155856540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{371087}}^1$

素因数の和:371106

約数の個数: 48

約数和(自身を含む): 498742272

約数和(自身を除く): 342885732

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, 371087, 742174, 1113261, 1484348, 1855435, 2226522, 2597609, 3710870, 4453044, 5195218, 5566305, 7421740, 7792827, 10390436, 11132610, 12988045, 15585654, 22265220, 25976090, 31171308, 38964135, 51952180, 77928270, 155856540]

約数ペア:

[(1, 155856540), (2, 77928270), (3, 51952180), (4, 38964135), (5, 31171308), (6, 25976090), (7, 22265220), (10, 15585654), (12, 12988045), (14, 11132610), (15, 10390436), (20, 7792827), (21, 7421740), (28, 5566305), (30, 5195218), (35, 4453044), (42, 3710870), (60, 2597609), (70, 2226522), (84, 1855435), (105, 1484348), (140, 1113261), (210, 742174), (420, 371087)]