15087740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 17722660

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 149, 166, 244, 298, 305, 332, 415, 596, 610, 745, 830, 1220, 1490, 1660, 2980, 5063, 9089, 10126, 12367, 18178, 20252, 24734, 25315, 36356, 45445, 49468, 50630, 61835, 90890, 101260, 123670, 181780, 247340, 754387, 1508774, 3017548, 3771935, 7543870, 15087740]

約数ペア:

[(1, 15087740), (2, 7543870), (4, 3771935), (5, 3017548), (10, 1508774), (20, 754387), (61, 247340), (83, 181780), (122, 123670), (149, 101260), (166, 90890), (244, 61835), (298, 50630), (305, 49468), (332, 45445), (415, 36356), (596, 25315), (610, 24734), (745, 20252), (830, 18178), (1220, 12367), (1490, 10126), (1660, 9089), (2980, 5063)]