220786680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17863}}^1$

素因数の和:17980

約数の個数: 64

約数和(自身を含む): 668828160

約数和(自身を除く): 448041480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 17863, 35726, 53589, 71452, 89315, 107178, 142904, 178630, 214356, 267945, 357260, 428712, 535890, 714520, 1071780, 1839889, 2143560, 3679778, 5519667, 7359556, 9199445, 11039334, 14719112, 18398890, 22078668, 27598335, 36797780, 44157336, 55196670, 73595560, 110393340, 220786680]

約数ペア:

[(1, 220786680), (2, 110393340), (3, 73595560), (4, 55196670), (5, 44157336), (6, 36797780), (8, 27598335), (10, 22078668), (12, 18398890), (15, 14719112), (20, 11039334), (24, 9199445), (30, 7359556), (40, 5519667), (60, 3679778), (103, 2143560), (120, 1839889), (206, 1071780), (309, 714520), (412, 535890), (515, 428712), (618, 357260), (824, 267945), (1030, 214356), (1236, 178630), (1545, 142904), (2060, 107178), (2472, 89315), (3090, 71452), (4120, 53589), (6180, 35726), (12360, 17863)]