166505640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{198221}}^1$

素因数の和:198242

約数の個数: 64

約数和(自身を含む): 570879360

約数和(自身を除く): 404373720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 198221, 396442, 594663, 792884, 991105, 1189326, 1387547, 1585768, 1982210, 2378652, 2775094, 2973315, 3964420, 4162641, 4757304, 5550188, 5946630, 6937735, 7928840, 8325282, 11100376, 11893260, 13875470, 16650564, 20813205, 23786520, 27750940, 33301128, 41626410, 55501880, 83252820, 166505640]

約数ペア:

[(1, 166505640), (2, 83252820), (3, 55501880), (4, 41626410), (5, 33301128), (6, 27750940), (7, 23786520), (8, 20813205), (10, 16650564), (12, 13875470), (14, 11893260), (15, 11100376), (20, 8325282), (21, 7928840), (24, 6937735), (28, 5946630), (30, 5550188), (35, 4757304), (40, 4162641), (42, 3964420), (56, 2973315), (60, 2775094), (70, 2378652), (84, 1982210), (105, 1585768), (120, 1387547), (140, 1189326), (168, 991105), (210, 792884), (280, 594663), (420, 396442), (840, 198221)]