636620320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1091}}^1$

素因数の和:1634

約数の個数: 96

約数和(自身を含む): 1723752576

約数和(自身を除く): 1087132256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 521, 560, 1042, 1091, 1120, 2084, 2182, 2605, 3647, 4168, 4364, 5210, 5455, 7294, 7637, 8336, 8728, 10420, 10910, 14588, 15274, 16672, 17456, 18235, 20840, 21820, 29176, 30548, 34912, 36470, 38185, 41680, 43640, 58352, 61096, 72940, 76370, 83360, 87280, 116704, 122192, 145880, 152740, 174560, 244384, 291760, 305480, 568411, 583520, 610960, 1136822, 1221920, 2273644, 2842055, 3978877, 4547288, 5684110, 7957754, 9094576, 11368220, 15915508, 18189152, 19894385, 22736440, 31831016, 39788770, 45472880, 63662032, 79577540, 90945760, 127324064, 159155080, 318310160, 636620320]

約数ペア:

[(1, 636620320), (2, 318310160), (4, 159155080), (5, 127324064), (7, 90945760), (8, 79577540), (10, 63662032), (14, 45472880), (16, 39788770), (20, 31831016), (28, 22736440), (32, 19894385), (35, 18189152), (40, 15915508), (56, 11368220), (70, 9094576), (80, 7957754), (112, 5684110), (140, 4547288), (160, 3978877), (224, 2842055), (280, 2273644), (521, 1221920), (560, 1136822), (1042, 610960), (1091, 583520), (1120, 568411), (2084, 305480), (2182, 291760), (2605, 244384), (3647, 174560), (4168, 152740), (4364, 145880), (5210, 122192), (5455, 116704), (7294, 87280), (7637, 83360), (8336, 76370), (8728, 72940), (10420, 61096), (10910, 58352), (14588, 43640), (15274, 41680), (16672, 38185), (17456, 36470), (18235, 34912), (20840, 30548), (21820, 29176)]