12754280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 37013760

約数和(自身を除く): 24259480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 101, 110, 140, 154, 164, 202, 205, 220, 280, 287, 308, 328, 385, 404, 410, 440, 451, 505, 574, 616, 707, 770, 808, 820, 902, 1010, 1111, 1148, 1414, 1435, 1540, 1640, 1804, 2020, 2222, 2255, 2296, 2828, 2870, 3080, 3157, 3535, 3608, 4040, 4141, 4444, 4510, 5555, 5656, 5740, 6314, 7070, 7777, 8282, 8888, 9020, 11110, 11480, 12628, 14140, 15554, 15785, 16564, 18040, 20705, 22220, 25256, 28280, 28987, 31108, 31570, 33128, 38885, 41410, 44440, 45551, 57974, 62216, 63140, 77770, 82820, 91102, 115948, 126280, 144935, 155540, 165640, 182204, 227755, 231896, 289870, 311080, 318857, 364408, 455510, 579740, 637714, 911020, 1159480, 1275428, 1594285, 1822040, 2550856, 3188570, 6377140, 12754280]

約数ペア:

[(1, 12754280), (2, 6377140), (4, 3188570), (5, 2550856), (7, 1822040), (8, 1594285), (10, 1275428), (11, 1159480), (14, 911020), (20, 637714), (22, 579740), (28, 455510), (35, 364408), (40, 318857), (41, 311080), (44, 289870), (55, 231896), (56, 227755), (70, 182204), (77, 165640), (82, 155540), (88, 144935), (101, 126280), (110, 115948), (140, 91102), (154, 82820), (164, 77770), (202, 63140), (205, 62216), (220, 57974), (280, 45551), (287, 44440), (308, 41410), (328, 38885), (385, 33128), (404, 31570), (410, 31108), (440, 28987), (451, 28280), (505, 25256), (574, 22220), (616, 20705), (707, 18040), (770, 16564), (808, 15785), (820, 15554), (902, 14140), (1010, 12628), (1111, 11480), (1148, 11110), (1414, 9020), (1435, 8888), (1540, 8282), (1640, 7777), (1804, 7070), (2020, 6314), (2222, 5740), (2255, 5656), (2296, 5555), (2828, 4510), (2870, 4444), (3080, 4141), (3157, 4040), (3535, 3608)]