61438440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73141}}^1$

素因数の和:73162

約数の個数: 64

約数和(自身を含む): 210648960

約数和(自身を除く): 149210520

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, 73141, 146282, 219423, 292564, 365705, 438846, 511987, 585128, 731410, 877692, 1023974, 1097115, 1462820, 1535961, 1755384, 2047948, 2194230, 2559935, 2925640, 3071922, 4095896, 4388460, 5119870, 6143844, 7679805, 8776920, 10239740, 12287688, 15359610, 20479480, 30719220, 61438440]

約数ペア:

[(1, 61438440), (2, 30719220), (3, 20479480), (4, 15359610), (5, 12287688), (6, 10239740), (7, 8776920), (8, 7679805), (10, 6143844), (12, 5119870), (14, 4388460), (15, 4095896), (20, 3071922), (21, 2925640), (24, 2559935), (28, 2194230), (30, 2047948), (35, 1755384), (40, 1535961), (42, 1462820), (56, 1097115), (60, 1023974), (70, 877692), (84, 731410), (105, 585128), (120, 511987), (140, 438846), (168, 365705), (210, 292564), (280, 219423), (420, 146282), (840, 73141)]