68218960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 169917696

約数和(自身を除く): 101698736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 487, 515, 680, 824, 974, 1030, 1360, 1648, 1751, 1948, 2060, 2435, 3502, 3896, 4120, 4870, 7004, 7792, 8240, 8279, 8755, 9740, 14008, 16558, 17510, 19480, 28016, 33116, 35020, 38960, 41395, 50161, 66232, 70040, 82790, 100322, 132464, 140080, 165580, 200644, 250805, 331160, 401288, 501610, 662320, 802576, 852737, 1003220, 1705474, 2006440, 3410948, 4012880, 4263685, 6821896, 8527370, 13643792, 17054740, 34109480, 68218960]

約数ペア:

[(1, 68218960), (2, 34109480), (4, 17054740), (5, 13643792), (8, 8527370), (10, 6821896), (16, 4263685), (17, 4012880), (20, 3410948), (34, 2006440), (40, 1705474), (68, 1003220), (80, 852737), (85, 802576), (103, 662320), (136, 501610), (170, 401288), (206, 331160), (272, 250805), (340, 200644), (412, 165580), (487, 140080), (515, 132464), (680, 100322), (824, 82790), (974, 70040), (1030, 66232), (1360, 50161), (1648, 41395), (1751, 38960), (1948, 35020), (2060, 33116), (2435, 28016), (3502, 19480), (3896, 17510), (4120, 16558), (4870, 14008), (7004, 9740), (7792, 8755), (8240, 8279)]