138777080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8609}}^1$

素因数の和:8664

約数の個数: 64

約数和(自身を含む): 347155200

約数和(自身を除く): 208378120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 8609, 16120, 17218, 34436, 43045, 68872, 86090, 111917, 172180, 223834, 266879, 344360, 447668, 533758, 559585, 895336, 1067516, 1119170, 1334395, 2135032, 2238340, 2668790, 3469427, 4476680, 5337580, 6938854, 10675160, 13877708, 17347135, 27755416, 34694270, 69388540, 138777080]

約数ペア:

[(1, 138777080), (2, 69388540), (4, 34694270), (5, 27755416), (8, 17347135), (10, 13877708), (13, 10675160), (20, 6938854), (26, 5337580), (31, 4476680), (40, 3469427), (52, 2668790), (62, 2238340), (65, 2135032), (104, 1334395), (124, 1119170), (130, 1067516), (155, 895336), (248, 559585), (260, 533758), (310, 447668), (403, 344360), (520, 266879), (620, 223834), (806, 172180), (1240, 111917), (1612, 86090), (2015, 68872), (3224, 43045), (4030, 34436), (8060, 17218), (8609, 16120)]