15661087540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1833851}}^1$

素因数の和:1833928

約数の個数: 48

約数和(自身を含む): 38202804864

約数和(自身を除く): 22541717324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 1833851, 3667702, 7335404, 9169255, 12836957, 18338510, 25673914, 36677020, 51347828, 64184785, 111864911, 128369570, 223729822, 256739140, 447459644, 559324555, 783054377, 1118649110, 1566108754, 2237298220, 3132217508, 3915271885, 7830543770, 15661087540]

約数ペア:

[(1, 15661087540), (2, 7830543770), (4, 3915271885), (5, 3132217508), (7, 2237298220), (10, 1566108754), (14, 1118649110), (20, 783054377), (28, 559324555), (35, 447459644), (61, 256739140), (70, 223729822), (122, 128369570), (140, 111864911), (244, 64184785), (305, 51347828), (427, 36677020), (610, 25673914), (854, 18338510), (1220, 12836957), (1708, 9169255), (2135, 7335404), (4270, 3667702), (8540, 1833851)]