12457620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9887}}^1$

素因数の和:9909

約数の個数: 72

約数和(自身を含む): 43190784

約数和(自身を除く): 30733164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 9887, 19774, 29661, 39548, 49435, 59322, 69209, 88983, 98870, 118644, 138418, 148305, 177966, 197740, 207627, 276836, 296610, 346045, 355932, 415254, 444915, 593220, 622881, 692090, 830508, 889830, 1038135, 1245762, 1384180, 1779660, 2076270, 2491524, 3114405, 4152540, 6228810, 12457620]

約数ペア:

[(1, 12457620), (2, 6228810), (3, 4152540), (4, 3114405), (5, 2491524), (6, 2076270), (7, 1779660), (9, 1384180), (10, 1245762), (12, 1038135), (14, 889830), (15, 830508), (18, 692090), (20, 622881), (21, 593220), (28, 444915), (30, 415254), (35, 355932), (36, 346045), (42, 296610), (45, 276836), (60, 207627), (63, 197740), (70, 177966), (84, 148305), (90, 138418), (105, 118644), (126, 98870), (140, 88983), (180, 69209), (210, 59322), (252, 49435), (315, 39548), (420, 29661), (630, 19774), (1260, 9887)]