90227480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4079}}^1$

素因数の和:4176

約数の個数: 64

約数和(自身を含む): 235008000

約数和(自身を除く): 144780520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4079, 4424, 5530, 8158, 11060, 16316, 20395, 22120, 28553, 32632, 40790, 57106, 81580, 114212, 142765, 163160, 228424, 285530, 322241, 571060, 644482, 1142120, 1288964, 1611205, 2255687, 2577928, 3222410, 4511374, 6444820, 9022748, 11278435, 12889640, 18045496, 22556870, 45113740, 90227480]

約数ペア:

[(1, 90227480), (2, 45113740), (4, 22556870), (5, 18045496), (7, 12889640), (8, 11278435), (10, 9022748), (14, 6444820), (20, 4511374), (28, 3222410), (35, 2577928), (40, 2255687), (56, 1611205), (70, 1288964), (79, 1142120), (140, 644482), (158, 571060), (280, 322241), (316, 285530), (395, 228424), (553, 163160), (632, 142765), (790, 114212), (1106, 81580), (1580, 57106), (2212, 40790), (2765, 32632), (3160, 28553), (4079, 22120), (4424, 20395), (5530, 16316), (8158, 11060)]