204450120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{81131}}^1$

素因数の和:81155

約数の個数: 96

約数和(自身を含む): 759395520

約数和(自身を除く): 554945400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 81131, 162262, 243393, 324524, 405655, 486786, 567917, 649048, 730179, 811310, 973572, 1135834, 1216965, 1460358, 1622620, 1703751, 1947144, 2271668, 2433930, 2839585, 2920716, 3245240, 3407502, 3650895, 4543336, 4867860, 5111253, 5679170, 5841432, 6815004, 7301790, 8518755, 9735720, 10222506, 11358340, 13630008, 14603580, 17037510, 20445012, 22716680, 25556265, 29207160, 34075020, 40890024, 51112530, 68150040, 102225060, 204450120]

約数ペア:

[(1, 204450120), (2, 102225060), (3, 68150040), (4, 51112530), (5, 40890024), (6, 34075020), (7, 29207160), (8, 25556265), (9, 22716680), (10, 20445012), (12, 17037510), (14, 14603580), (15, 13630008), (18, 11358340), (20, 10222506), (21, 9735720), (24, 8518755), (28, 7301790), (30, 6815004), (35, 5841432), (36, 5679170), (40, 5111253), (42, 4867860), (45, 4543336), (56, 3650895), (60, 3407502), (63, 3245240), (70, 2920716), (72, 2839585), (84, 2433930), (90, 2271668), (105, 1947144), (120, 1703751), (126, 1622620), (140, 1460358), (168, 1216965), (180, 1135834), (210, 973572), (252, 811310), (280, 730179), (315, 649048), (360, 567917), (420, 486786), (504, 405655), (630, 324524), (840, 243393), (1260, 162262), (2520, 81131)]