91481320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3671}}^1$

素因数の和:3778

約数の個数: 64

約数和(自身を含む): 237945600

約数和(自身を除く): 146464280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 3671, 4984, 6230, 7342, 12460, 14684, 18355, 24920, 25697, 29368, 36710, 51394, 73420, 102788, 128485, 146840, 205576, 256970, 326719, 513940, 653438, 1027880, 1306876, 1633595, 2287033, 2613752, 3267190, 4574066, 6534380, 9148132, 11435165, 13068760, 18296264, 22870330, 45740660, 91481320]

約数ペア:

[(1, 91481320), (2, 45740660), (4, 22870330), (5, 18296264), (7, 13068760), (8, 11435165), (10, 9148132), (14, 6534380), (20, 4574066), (28, 3267190), (35, 2613752), (40, 2287033), (56, 1633595), (70, 1306876), (89, 1027880), (140, 653438), (178, 513940), (280, 326719), (356, 256970), (445, 205576), (623, 146840), (712, 128485), (890, 102788), (1246, 73420), (1780, 51394), (2492, 36710), (3115, 29368), (3560, 25697), (3671, 24920), (4984, 18355), (6230, 14684), (7342, 12460)]