61288360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{218887}}^1$

素因数の和:218905

約数の個数: 32

約数和(自身を含む): 157599360

約数和(自身を除く): 96311000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 218887, 437774, 875548, 1094435, 1532209, 1751096, 2188870, 3064418, 4377740, 6128836, 7661045, 8755480, 12257672, 15322090, 30644180, 61288360]

約数ペア:

[(1, 61288360), (2, 30644180), (4, 15322090), (5, 12257672), (7, 8755480), (8, 7661045), (10, 6128836), (14, 4377740), (20, 3064418), (28, 2188870), (35, 1751096), (40, 1532209), (56, 1094435), (70, 875548), (140, 437774), (280, 218887)]