78702540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187387}}^1$

素因数の和:187406

約数の個数: 48

約数和(自身を含む): 251849472

約数和(自身を除く): 173146932

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, 187387, 374774, 562161, 749548, 936935, 1124322, 1311709, 1873870, 2248644, 2623418, 2810805, 3747740, 3935127, 5246836, 5621610, 6558545, 7870254, 11243220, 13117090, 15740508, 19675635, 26234180, 39351270, 78702540]

約数ペア:

[(1, 78702540), (2, 39351270), (3, 26234180), (4, 19675635), (5, 15740508), (6, 13117090), (7, 11243220), (10, 7870254), (12, 6558545), (14, 5621610), (15, 5246836), (20, 3935127), (21, 3747740), (28, 2810805), (30, 2623418), (35, 2248644), (42, 1873870), (60, 1311709), (70, 1124322), (84, 936935), (105, 749548), (140, 562161), (210, 374774), (420, 187387)]