12997620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 39757536

約数和(自身を除く): 26759916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 443, 489, 652, 815, 886, 978, 1329, 1467, 1630, 1772, 1956, 2215, 2445, 2658, 2934, 3260, 3987, 4430, 4890, 5316, 5868, 6645, 7335, 7974, 8860, 9780, 13290, 14670, 15948, 19935, 26580, 29340, 39870, 72209, 79740, 144418, 216627, 288836, 361045, 433254, 649881, 722090, 866508, 1083135, 1299762, 1444180, 2166270, 2599524, 3249405, 4332540, 6498810, 12997620]

約数ペア:

[(1, 12997620), (2, 6498810), (3, 4332540), (4, 3249405), (5, 2599524), (6, 2166270), (9, 1444180), (10, 1299762), (12, 1083135), (15, 866508), (18, 722090), (20, 649881), (30, 433254), (36, 361045), (45, 288836), (60, 216627), (90, 144418), (163, 79740), (180, 72209), (326, 39870), (443, 29340), (489, 26580), (652, 19935), (815, 15948), (886, 14670), (978, 13290), (1329, 9780), (1467, 8860), (1630, 7974), (1772, 7335), (1956, 6645), (2215, 5868), (2445, 5316), (2658, 4890), (2934, 4430), (3260, 3987)]