8965880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 26127360

約数和(自身を除く): 17161480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 71, 77, 82, 88, 110, 140, 142, 154, 164, 205, 220, 280, 284, 287, 308, 328, 355, 385, 410, 440, 451, 497, 568, 574, 616, 710, 770, 781, 820, 902, 994, 1148, 1420, 1435, 1540, 1562, 1640, 1804, 1988, 2255, 2296, 2485, 2840, 2870, 2911, 3080, 3124, 3157, 3608, 3905, 3976, 4510, 4970, 5467, 5740, 5822, 6248, 6314, 7810, 9020, 9940, 10934, 11480, 11644, 12628, 14555, 15620, 15785, 18040, 19880, 20377, 21868, 23288, 25256, 27335, 29110, 31240, 31570, 32021, 40754, 43736, 54670, 58220, 63140, 64042, 81508, 101885, 109340, 116440, 126280, 128084, 160105, 163016, 203770, 218680, 224147, 256168, 320210, 407540, 448294, 640420, 815080, 896588, 1120735, 1280840, 1793176, 2241470, 4482940, 8965880]

約数ペア:

[(1, 8965880), (2, 4482940), (4, 2241470), (5, 1793176), (7, 1280840), (8, 1120735), (10, 896588), (11, 815080), (14, 640420), (20, 448294), (22, 407540), (28, 320210), (35, 256168), (40, 224147), (41, 218680), (44, 203770), (55, 163016), (56, 160105), (70, 128084), (71, 126280), (77, 116440), (82, 109340), (88, 101885), (110, 81508), (140, 64042), (142, 63140), (154, 58220), (164, 54670), (205, 43736), (220, 40754), (280, 32021), (284, 31570), (287, 31240), (308, 29110), (328, 27335), (355, 25256), (385, 23288), (410, 21868), (440, 20377), (451, 19880), (497, 18040), (568, 15785), (574, 15620), (616, 14555), (710, 12628), (770, 11644), (781, 11480), (820, 10934), (902, 9940), (994, 9020), (1148, 7810), (1420, 6314), (1435, 6248), (1540, 5822), (1562, 5740), (1640, 5467), (1804, 4970), (1988, 4510), (2255, 3976), (2296, 3905), (2485, 3608), (2840, 3157), (2870, 3124), (2911, 3080)]