69730640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 116686000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 521, 560, 956, 1042, 1195, 1673, 1912, 2084, 2390, 2605, 3346, 3647, 3824, 4168, 4780, 5210, 6692, 7294, 8336, 8365, 9560, 10420, 13384, 14588, 16730, 18235, 19120, 20840, 26768, 29176, 33460, 36470, 41680, 58352, 66920, 72940, 124519, 133840, 145880, 249038, 291760, 498076, 622595, 871633, 996152, 1245190, 1743266, 1992304, 2490380, 3486532, 4358165, 4980760, 6973064, 8716330, 9961520, 13946128, 17432660, 34865320, 69730640]

約数ペア:

[(1, 69730640), (2, 34865320), (4, 17432660), (5, 13946128), (7, 9961520), (8, 8716330), (10, 6973064), (14, 4980760), (16, 4358165), (20, 3486532), (28, 2490380), (35, 1992304), (40, 1743266), (56, 1245190), (70, 996152), (80, 871633), (112, 622595), (140, 498076), (239, 291760), (280, 249038), (478, 145880), (521, 133840), (560, 124519), (956, 72940), (1042, 66920), (1195, 58352), (1673, 41680), (1912, 36470), (2084, 33460), (2390, 29176), (2605, 26768), (3346, 20840), (3647, 19120), (3824, 18235), (4168, 16730), (4780, 14588), (5210, 13384), (6692, 10420), (7294, 9560), (8336, 8365)]