1668278680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1\times {\mathrm{3347}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 3981039840

約数和(自身を除く): 2312761160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 733, 1466, 2932, 3347, 3665, 5864, 6694, 7330, 12461, 13388, 14660, 16735, 24922, 26776, 29320, 33470, 49844, 56899, 62305, 66940, 99688, 113798, 124610, 133880, 227596, 249220, 284495, 455192, 498440, 568990, 1137980, 2275960, 2453351, 4906702, 9813404, 12266755, 19626808, 24533510, 41706967, 49067020, 83413934, 98134040, 166827868, 208534835, 333655736, 417069670, 834139340, 1668278680]

約数ペア:

[(1, 1668278680), (2, 834139340), (4, 417069670), (5, 333655736), (8, 208534835), (10, 166827868), (17, 98134040), (20, 83413934), (34, 49067020), (40, 41706967), (68, 24533510), (85, 19626808), (136, 12266755), (170, 9813404), (340, 4906702), (680, 2453351), (733, 2275960), (1466, 1137980), (2932, 568990), (3347, 498440), (3665, 455192), (5864, 284495), (6694, 249220), (7330, 227596), (12461, 133880), (13388, 124610), (14660, 113798), (16735, 99688), (24922, 66940), (26776, 62305), (29320, 56899), (33470, 49844)]