68676880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 164882304

約数和(自身を除く): 96205424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 113, 142, 214, 226, 284, 355, 428, 452, 535, 565, 568, 710, 856, 904, 1070, 1130, 1136, 1420, 1712, 1808, 2140, 2260, 2840, 4280, 4520, 5680, 7597, 8023, 8560, 9040, 12091, 15194, 16046, 24182, 30388, 32092, 37985, 40115, 48364, 60455, 60776, 64184, 75970, 80230, 96728, 120910, 121552, 128368, 151940, 160460, 193456, 241820, 303880, 320920, 483640, 607760, 641840, 858461, 967280, 1716922, 3433844, 4292305, 6867688, 8584610, 13735376, 17169220, 34338440, 68676880]

約数ペア:

[(1, 68676880), (2, 34338440), (4, 17169220), (5, 13735376), (8, 8584610), (10, 6867688), (16, 4292305), (20, 3433844), (40, 1716922), (71, 967280), (80, 858461), (107, 641840), (113, 607760), (142, 483640), (214, 320920), (226, 303880), (284, 241820), (355, 193456), (428, 160460), (452, 151940), (535, 128368), (565, 121552), (568, 120910), (710, 96728), (856, 80230), (904, 75970), (1070, 64184), (1130, 60776), (1136, 60455), (1420, 48364), (1712, 40115), (1808, 37985), (2140, 32092), (2260, 30388), (2840, 24182), (4280, 16046), (4520, 15194), (5680, 12091), (7597, 9040), (8023, 8560)]