155977740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27953}}^1$

素因数の和:27999

約数の個数: 72

約数和(自身を含む): 488412288

約数和(自身を除く): 332434548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 27953, 55906, 83859, 111812, 139765, 167718, 251577, 279530, 335436, 419295, 503154, 559060, 838590, 866543, 1006308, 1257885, 1677180, 1733086, 2515770, 2599629, 3466172, 4332715, 5031540, 5199258, 7798887, 8665430, 10398516, 12998145, 15597774, 17330860, 25996290, 31195548, 38994435, 51992580, 77988870, 155977740]

約数ペア:

[(1, 155977740), (2, 77988870), (3, 51992580), (4, 38994435), (5, 31195548), (6, 25996290), (9, 17330860), (10, 15597774), (12, 12998145), (15, 10398516), (18, 8665430), (20, 7798887), (30, 5199258), (31, 5031540), (36, 4332715), (45, 3466172), (60, 2599629), (62, 2515770), (90, 1733086), (93, 1677180), (124, 1257885), (155, 1006308), (180, 866543), (186, 838590), (279, 559060), (310, 503154), (372, 419295), (465, 335436), (558, 279530), (620, 251577), (930, 167718), (1116, 139765), (1395, 111812), (1860, 83859), (2790, 55906), (5580, 27953)]