890227620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{159539}}^1$

素因数の和:159585

約数の個数: 72

約数和(自身を含む): 2787482880

約数和(自身を除く): 1897255260

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, 159539, 319078, 478617, 638156, 797695, 957234, 1435851, 1595390, 1914468, 2393085, 2871702, 3190780, 4786170, 4945709, 5743404, 7179255, 9572340, 9891418, 14358510, 14837127, 19782836, 24728545, 28717020, 29674254, 44511381, 49457090, 59348508, 74185635, 89022762, 98914180, 148371270, 178045524, 222556905, 296742540, 445113810, 890227620]

約数ペア:

[(1, 890227620), (2, 445113810), (3, 296742540), (4, 222556905), (5, 178045524), (6, 148371270), (9, 98914180), (10, 89022762), (12, 74185635), (15, 59348508), (18, 49457090), (20, 44511381), (30, 29674254), (31, 28717020), (36, 24728545), (45, 19782836), (60, 14837127), (62, 14358510), (90, 9891418), (93, 9572340), (124, 7179255), (155, 5743404), (180, 4945709), (186, 4786170), (279, 3190780), (310, 2871702), (372, 2393085), (465, 1914468), (558, 1595390), (620, 1435851), (930, 957234), (1116, 797695), (1395, 638156), (1860, 478617), (2790, 319078), (5580, 159539)]