30307620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72161}}^1$

素因数の和:72180

約数の個数: 48

約数和(自身を含む): 96985728

約数和(自身を除く): 66678108

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, 72161, 144322, 216483, 288644, 360805, 432966, 505127, 721610, 865932, 1010254, 1082415, 1443220, 1515381, 2020508, 2164830, 2525635, 3030762, 4329660, 5051270, 6061524, 7576905, 10102540, 15153810, 30307620]

約数ペア:

[(1, 30307620), (2, 15153810), (3, 10102540), (4, 7576905), (5, 6061524), (6, 5051270), (7, 4329660), (10, 3030762), (12, 2525635), (14, 2164830), (15, 2020508), (20, 1515381), (21, 1443220), (28, 1082415), (30, 1010254), (35, 865932), (42, 721610), (60, 505127), (70, 432966), (84, 360805), (105, 288644), (140, 216483), (210, 144322), (420, 72161)]