281338680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7789}}^1$

素因数の和:7853

約数の個数: 128

約数和(自身を含む): 987148800

約数和(自身を除く): 705810120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 7789, 9030, 12040, 15578, 18060, 23367, 31156, 36120, 38945, 46734, 54523, 62312, 77890, 93468, 109046, 116835, 155780, 163569, 186936, 218092, 233670, 272615, 311560, 327138, 334927, 436184, 467340, 545230, 654276, 669854, 817845, 934680, 1004781, 1090460, 1308552, 1339708, 1635690, 1674635, 2009562, 2180920, 2344489, 2679416, 3271380, 3349270, 4019124, 4688978, 5023905, 6542760, 6698540, 7033467, 8038248, 9377956, 10047810, 11722445, 13397080, 14066934, 18755912, 20095620, 23444890, 28133868, 35167335, 40191240, 46889780, 56267736, 70334670, 93779560, 140669340, 281338680]

約数ペア:

[(1, 281338680), (2, 140669340), (3, 93779560), (4, 70334670), (5, 56267736), (6, 46889780), (7, 40191240), (8, 35167335), (10, 28133868), (12, 23444890), (14, 20095620), (15, 18755912), (20, 14066934), (21, 13397080), (24, 11722445), (28, 10047810), (30, 9377956), (35, 8038248), (40, 7033467), (42, 6698540), (43, 6542760), (56, 5023905), (60, 4688978), (70, 4019124), (84, 3349270), (86, 3271380), (105, 2679416), (120, 2344489), (129, 2180920), (140, 2009562), (168, 1674635), (172, 1635690), (210, 1339708), (215, 1308552), (258, 1090460), (280, 1004781), (301, 934680), (344, 817845), (420, 669854), (430, 654276), (516, 545230), (602, 467340), (645, 436184), (840, 334927), (860, 327138), (903, 311560), (1032, 272615), (1204, 233670), (1290, 218092), (1505, 186936), (1720, 163569), (1806, 155780), (2408, 116835), (2580, 109046), (3010, 93468), (3612, 77890), (4515, 62312), (5160, 54523), (6020, 46734), (7224, 38945), (7789, 36120), (9030, 31156), (12040, 23367), (15578, 18060)]