28129080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33487}}^1$

素因数の和:33508

約数の個数: 64

約数和(自身を含む): 96445440

約数和(自身を除く): 68316360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33487, 66974, 100461, 133948, 167435, 200922, 234409, 267896, 334870, 401844, 468818, 502305, 669740, 703227, 803688, 937636, 1004610, 1172045, 1339480, 1406454, 1875272, 2009220, 2344090, 2812908, 3516135, 4018440, 4688180, 5625816, 7032270, 9376360, 14064540, 28129080]

約数ペア:

[(1, 28129080), (2, 14064540), (3, 9376360), (4, 7032270), (5, 5625816), (6, 4688180), (7, 4018440), (8, 3516135), (10, 2812908), (12, 2344090), (14, 2009220), (15, 1875272), (20, 1406454), (21, 1339480), (24, 1172045), (28, 1004610), (30, 937636), (35, 803688), (40, 703227), (42, 669740), (56, 502305), (60, 468818), (70, 401844), (84, 334870), (105, 267896), (120, 234409), (140, 200922), (168, 167435), (210, 133948), (280, 100461), (420, 66974), (840, 33487)]