638263560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4519}}^1$

素因数の和:4651

約数の個数: 128

約数和(自身を含む): 2108851200

約数和(自身を除く): 1470587640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 107, 110, 120, 132, 165, 214, 220, 264, 321, 330, 428, 440, 535, 642, 660, 856, 1070, 1177, 1284, 1320, 1605, 2140, 2354, 2568, 3210, 3531, 4280, 4519, 4708, 5885, 6420, 7062, 9038, 9416, 11770, 12840, 13557, 14124, 17655, 18076, 22595, 23540, 27114, 28248, 35310, 36152, 45190, 47080, 49709, 54228, 67785, 70620, 90380, 99418, 108456, 135570, 141240, 149127, 180760, 198836, 248545, 271140, 298254, 397672, 483533, 497090, 542280, 596508, 745635, 967066, 994180, 1193016, 1450599, 1491270, 1934132, 1988360, 2417665, 2901198, 2982540, 3868264, 4835330, 5318863, 5802396, 5965080, 7252995, 9670660, 10637726, 11604792, 14505990, 15956589, 19341320, 21275452, 26594315, 29011980, 31913178, 42550904, 53188630, 58023960, 63826356, 79782945, 106377260, 127652712, 159565890, 212754520, 319131780, 638263560]

約数ペア:

[(1, 638263560), (2, 319131780), (3, 212754520), (4, 159565890), (5, 127652712), (6, 106377260), (8, 79782945), (10, 63826356), (11, 58023960), (12, 53188630), (15, 42550904), (20, 31913178), (22, 29011980), (24, 26594315), (30, 21275452), (33, 19341320), (40, 15956589), (44, 14505990), (55, 11604792), (60, 10637726), (66, 9670660), (88, 7252995), (107, 5965080), (110, 5802396), (120, 5318863), (132, 4835330), (165, 3868264), (214, 2982540), (220, 2901198), (264, 2417665), (321, 1988360), (330, 1934132), (428, 1491270), (440, 1450599), (535, 1193016), (642, 994180), (660, 967066), (856, 745635), (1070, 596508), (1177, 542280), (1284, 497090), (1320, 483533), (1605, 397672), (2140, 298254), (2354, 271140), (2568, 248545), (3210, 198836), (3531, 180760), (4280, 149127), (4519, 141240), (4708, 135570), (5885, 108456), (6420, 99418), (7062, 90380), (9038, 70620), (9416, 67785), (11770, 54228), (12840, 49709), (13557, 47080), (14124, 45190), (17655, 36152), (18076, 35310), (22595, 28248), (23540, 27114)]