90417180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215279}}^1$

素因数の和:215298

約数の個数: 48

約数和(自身を含む): 289336320

約数和(自身を除く): 198919140

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, 215279, 430558, 645837, 861116, 1076395, 1291674, 1506953, 2152790, 2583348, 3013906, 3229185, 4305580, 4520859, 6027812, 6458370, 7534765, 9041718, 12916740, 15069530, 18083436, 22604295, 30139060, 45208590, 90417180]

約数ペア:

[(1, 90417180), (2, 45208590), (3, 30139060), (4, 22604295), (5, 18083436), (6, 15069530), (7, 12916740), (10, 9041718), (12, 7534765), (14, 6458370), (15, 6027812), (20, 4520859), (21, 4305580), (28, 3229185), (30, 3013906), (35, 2583348), (42, 2152790), (60, 1506953), (70, 1291674), (84, 1076395), (105, 861116), (140, 645837), (210, 430558), (420, 215279)]