18971646080

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{2311}}^1$

素因数の和:2558

約数の個数: 128

約数和(自身を含む): 46183772160

約数和(自身を除く): 27212126080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 127, 128, 160, 202, 254, 320, 404, 505, 508, 635, 640, 808, 1010, 1016, 1270, 1616, 2020, 2032, 2311, 2540, 3232, 4040, 4064, 4622, 5080, 6464, 8080, 8128, 9244, 10160, 11555, 12827, 12928, 16160, 16256, 18488, 20320, 23110, 25654, 32320, 36976, 40640, 46220, 51308, 64135, 64640, 73952, 81280, 92440, 102616, 128270, 147904, 184880, 205232, 233411, 256540, 293497, 295808, 369760, 410464, 466822, 513080, 586994, 739520, 820928, 933644, 1026160, 1167055, 1173988, 1467485, 1479040, 1641856, 1867288, 2052320, 2334110, 2347976, 2934970, 3734576, 4104640, 4668220, 4695952, 5869940, 7469152, 8209280, 9336440, 9391904, 11739880, 14938304, 18672880, 18783808, 23479760, 29643197, 29876608, 37345760, 37567616, 46959520, 59286394, 74691520, 93919040, 118572788, 148215985, 149383040, 187838080, 237145576, 296431970, 474291152, 592863940, 948582304, 1185727880, 1897164608, 2371455760, 3794329216, 4742911520, 9485823040, 18971646080]

約数ペア:

[(1, 18971646080), (2, 9485823040), (4, 4742911520), (5, 3794329216), (8, 2371455760), (10, 1897164608), (16, 1185727880), (20, 948582304), (32, 592863940), (40, 474291152), (64, 296431970), (80, 237145576), (101, 187838080), (127, 149383040), (128, 148215985), (160, 118572788), (202, 93919040), (254, 74691520), (320, 59286394), (404, 46959520), (505, 37567616), (508, 37345760), (635, 29876608), (640, 29643197), (808, 23479760), (1010, 18783808), (1016, 18672880), (1270, 14938304), (1616, 11739880), (2020, 9391904), (2032, 9336440), (2311, 8209280), (2540, 7469152), (3232, 5869940), (4040, 4695952), (4064, 4668220), (4622, 4104640), (5080, 3734576), (6464, 2934970), (8080, 2347976), (8128, 2334110), (9244, 2052320), (10160, 1867288), (11555, 1641856), (12827, 1479040), (12928, 1467485), (16160, 1173988), (16256, 1167055), (18488, 1026160), (20320, 933644), (23110, 820928), (25654, 739520), (32320, 586994), (36976, 513080), (40640, 466822), (46220, 410464), (51308, 369760), (64135, 295808), (64640, 293497), (73952, 256540), (81280, 233411), (92440, 205232), (102616, 184880), (128270, 147904)]