2015312820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{781129}}^1$

素因数の和:781184

約数の個数: 48

約数和(自身を含む): 5774112960

約数和(自身を除く): 3758800140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 781129, 1562258, 2343387, 3124516, 3905645, 4686774, 7811290, 9373548, 11716935, 15622580, 23433870, 33588547, 46867740, 67177094, 100765641, 134354188, 167942735, 201531282, 335885470, 403062564, 503828205, 671770940, 1007656410, 2015312820]

約数ペア:

[(1, 2015312820), (2, 1007656410), (3, 671770940), (4, 503828205), (5, 403062564), (6, 335885470), (10, 201531282), (12, 167942735), (15, 134354188), (20, 100765641), (30, 67177094), (43, 46867740), (60, 33588547), (86, 23433870), (129, 15622580), (172, 11716935), (215, 9373548), (258, 7811290), (430, 4686774), (516, 3905645), (645, 3124516), (860, 2343387), (1290, 1562258), (2580, 781129)]