2018779840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81931}}^1$

素因数の和:81966

約数の個数: 112

約数和(自身を含む): 5993489664

約数和(自身を除く): 3974709824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 24640, 81931, 163862, 327724, 409655, 573517, 655448, 819310, 901241, 1147034, 1310896, 1638620, 1802482, 2294068, 2621792, 2867585, 3277240, 3604964, 4506205, 4588136, 5243584, 5735170, 6308687, 6554480, 7209928, 9012410, 9176272, 11470340, 12617374, 13108960, 14419856, 18024820, 18352544, 22940680, 25234748, 26217920, 28839712, 31543435, 36049640, 36705088, 45881360, 50469496, 57679424, 63086870, 72099280, 91762720, 100938992, 126173740, 144198560, 183525440, 201877984, 252347480, 288397120, 403755968, 504694960, 1009389920, 2018779840]

約数ペア:

[(1, 2018779840), (2, 1009389920), (4, 504694960), (5, 403755968), (7, 288397120), (8, 252347480), (10, 201877984), (11, 183525440), (14, 144198560), (16, 126173740), (20, 100938992), (22, 91762720), (28, 72099280), (32, 63086870), (35, 57679424), (40, 50469496), (44, 45881360), (55, 36705088), (56, 36049640), (64, 31543435), (70, 28839712), (77, 26217920), (80, 25234748), (88, 22940680), (110, 18352544), (112, 18024820), (140, 14419856), (154, 13108960), (160, 12617374), (176, 11470340), (220, 9176272), (224, 9012410), (280, 7209928), (308, 6554480), (320, 6308687), (352, 5735170), (385, 5243584), (440, 4588136), (448, 4506205), (560, 3604964), (616, 3277240), (704, 2867585), (770, 2621792), (880, 2294068), (1120, 1802482), (1232, 1638620), (1540, 1310896), (1760, 1147034), (2240, 901241), (2464, 819310), (3080, 655448), (3520, 573517), (4928, 409655), (6160, 327724), (12320, 163862), (24640, 81931)]