8142540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19387}}^1$

素因数の和:19406

約数の個数: 48

約数和(自身を含む): 26057472

約数和(自身を除く): 17914932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19387, 38774, 58161, 77548, 96935, 116322, 135709, 193870, 232644, 271418, 290805, 387740, 407127, 542836, 581610, 678545, 814254, 1163220, 1357090, 1628508, 2035635, 2714180, 4071270, 8142540]

約数ペア:

[(1, 8142540), (2, 4071270), (3, 2714180), (4, 2035635), (5, 1628508), (6, 1357090), (7, 1163220), (10, 814254), (12, 678545), (14, 581610), (15, 542836), (20, 407127), (21, 387740), (28, 290805), (30, 271418), (35, 232644), (42, 193870), (60, 135709), (70, 116322), (84, 96935), (105, 77548), (140, 58161), (210, 38774), (420, 19387)]