168748440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{200891}}^1$

素因数の和:200912

約数の個数: 64

約数和(自身を含む): 578568960

約数和(自身を除く): 409820520

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, 200891, 401782, 602673, 803564, 1004455, 1205346, 1406237, 1607128, 2008910, 2410692, 2812474, 3013365, 4017820, 4218711, 4821384, 5624948, 6026730, 7031185, 8035640, 8437422, 11249896, 12053460, 14062370, 16874844, 21093555, 24106920, 28124740, 33749688, 42187110, 56249480, 84374220, 168748440]

約数ペア:

[(1, 168748440), (2, 84374220), (3, 56249480), (4, 42187110), (5, 33749688), (6, 28124740), (7, 24106920), (8, 21093555), (10, 16874844), (12, 14062370), (14, 12053460), (15, 11249896), (20, 8437422), (21, 8035640), (24, 7031185), (28, 6026730), (30, 5624948), (35, 4821384), (40, 4218711), (42, 4017820), (56, 3013365), (60, 2812474), (70, 2410692), (84, 2008910), (105, 1607128), (120, 1406237), (140, 1205346), (168, 1004455), (210, 803564), (280, 602673), (420, 401782), (840, 200891)]