255479331560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1622297}}^1$

素因数の和:1622466

約数の個数: 64

約数和(自身を含む): 598043934720

約数和(自身を除く): 342564603160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 19685, 31496, 39370, 78740, 157480, 1622297, 3244594, 6489188, 8111485, 12978376, 16222970, 32445940, 50291207, 64891880, 100582414, 201164828, 206031719, 251456035, 402329656, 412063438, 502912070, 824126876, 1005824140, 1030158595, 1648253752, 2011648280, 2060317190, 4120634380, 6386983289, 8241268760, 12773966578, 25547933156, 31934916445, 51095866312, 63869832890, 127739665780, 255479331560]

約数ペア:

[(1, 255479331560), (2, 127739665780), (4, 63869832890), (5, 51095866312), (8, 31934916445), (10, 25547933156), (20, 12773966578), (31, 8241268760), (40, 6386983289), (62, 4120634380), (124, 2060317190), (127, 2011648280), (155, 1648253752), (248, 1030158595), (254, 1005824140), (310, 824126876), (508, 502912070), (620, 412063438), (635, 402329656), (1016, 251456035), (1240, 206031719), (1270, 201164828), (2540, 100582414), (3937, 64891880), (5080, 50291207), (7874, 32445940), (15748, 16222970), (19685, 12978376), (31496, 8111485), (39370, 6489188), (78740, 3244594), (157480, 1622297)]