311993280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:1003

約数の個数: 168

約数和(自身を含む): 1082844672

約数和(自身を除く): 770851392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 480, 508, 576, 635, 720, 762, 853, 960, 1016, 1143, 1270, 1440, 1524, 1706, 1905, 2032, 2286, 2540, 2559, 2880, 3048, 3412, 3810, 4064, 4265, 4572, 5080, 5118, 5715, 6096, 6824, 7620, 7677, 8128, 8530, 9144, 10160, 10236, 11430, 12192, 12795, 13648, 15240, 15354, 17060, 18288, 20320, 20472, 22860, 24384, 25590, 27296, 30480, 30708, 34120, 36576, 38385, 40640, 40944, 45720, 51180, 54592, 60960, 61416, 68240, 73152, 76770, 81888, 91440, 102360, 108331, 121920, 122832, 136480, 153540, 163776, 182880, 204720, 216662, 245664, 272960, 307080, 324993, 365760, 409440, 433324, 491328, 541655, 614160, 649986, 818880, 866648, 974979, 1083310, 1228320, 1299972, 1624965, 1733296, 1949958, 2166620, 2456640, 2599944, 3249930, 3466592, 3899916, 4333240, 4874895, 5199888, 6499860, 6933184, 7799832, 8666480, 9749790, 10399776, 12999720, 15599664, 17332960, 19499580, 20799552, 25999440, 31199328, 34665920, 38999160, 51998880, 62398656, 77998320, 103997760, 155996640, 311993280]

約数ペア:

[(1, 311993280), (2, 155996640), (3, 103997760), (4, 77998320), (5, 62398656), (6, 51998880), (8, 38999160), (9, 34665920), (10, 31199328), (12, 25999440), (15, 20799552), (16, 19499580), (18, 17332960), (20, 15599664), (24, 12999720), (30, 10399776), (32, 9749790), (36, 8666480), (40, 7799832), (45, 6933184), (48, 6499860), (60, 5199888), (64, 4874895), (72, 4333240), (80, 3899916), (90, 3466592), (96, 3249930), (120, 2599944), (127, 2456640), (144, 2166620), (160, 1949958), (180, 1733296), (192, 1624965), (240, 1299972), (254, 1228320), (288, 1083310), (320, 974979), (360, 866648), (381, 818880), (480, 649986), (508, 614160), (576, 541655), (635, 491328), (720, 433324), (762, 409440), (853, 365760), (960, 324993), (1016, 307080), (1143, 272960), (1270, 245664), (1440, 216662), (1524, 204720), (1706, 182880), (1905, 163776), (2032, 153540), (2286, 136480), (2540, 122832), (2559, 121920), (2880, 108331), (3048, 102360), (3412, 91440), (3810, 81888), (4064, 76770), (4265, 73152), (4572, 68240), (5080, 61416), (5118, 60960), (5715, 54592), (6096, 51180), (6824, 45720), (7620, 40944), (7677, 40640), (8128, 38385), (8530, 36576), (9144, 34120), (10160, 30708), (10236, 30480), (11430, 27296), (12192, 25590), (12795, 24384), (13648, 22860), (15240, 20472), (15354, 20320), (17060, 18288)]