68141080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{613}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 175947840

約数和(自身を除く): 107806760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 613, 794, 1226, 1588, 1985, 2452, 2779, 3065, 3176, 3970, 4291, 4904, 5558, 6130, 7940, 8582, 11116, 12260, 13895, 15880, 17164, 21455, 22232, 24520, 27790, 34328, 42910, 55580, 85820, 111160, 171640, 243361, 486722, 973444, 1216805, 1703527, 1946888, 2433610, 3407054, 4867220, 6814108, 8517635, 9734440, 13628216, 17035270, 34070540, 68141080]

約数ペア:

[(1, 68141080), (2, 34070540), (4, 17035270), (5, 13628216), (7, 9734440), (8, 8517635), (10, 6814108), (14, 4867220), (20, 3407054), (28, 2433610), (35, 1946888), (40, 1703527), (56, 1216805), (70, 973444), (140, 486722), (280, 243361), (397, 171640), (613, 111160), (794, 85820), (1226, 55580), (1588, 42910), (1985, 34328), (2452, 27790), (2779, 24520), (3065, 22232), (3176, 21455), (3970, 17164), (4291, 15880), (4904, 13895), (5558, 12260), (6130, 11116), (7940, 8582)]