30705240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{255877}}^1$

素因数の和:255891

約数の個数: 32

約数和(自身を含む): 92116080

約数和(自身を除く): 61410840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 255877, 511754, 767631, 1023508, 1279385, 1535262, 2047016, 2558770, 3070524, 3838155, 5117540, 6141048, 7676310, 10235080, 15352620, 30705240]

約数ペア:

[(1, 30705240), (2, 15352620), (3, 10235080), (4, 7676310), (5, 6141048), (6, 5117540), (8, 3838155), (10, 3070524), (12, 2558770), (15, 2047016), (20, 1535262), (24, 1279385), (30, 1023508), (40, 767631), (60, 511754), (120, 255877)]