217853280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 192

約数和(自身を含む): 769305600

約数和(自身を除く): 551452320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 211, 216, 239, 240, 270, 288, 360, 422, 432, 478, 480, 540, 633, 717, 720, 844, 864, 956, 1055, 1080, 1195, 1266, 1434, 1440, 1688, 1899, 1912, 2110, 2151, 2160, 2390, 2532, 2868, 3165, 3376, 3585, 3798, 3824, 4220, 4302, 4320, 4780, 5064, 5697, 5736, 6330, 6453, 6752, 7170, 7596, 7648, 8440, 8604, 9495, 9560, 10128, 10755, 11394, 11472, 12660, 12906, 14340, 15192, 16880, 17208, 18990, 19120, 20256, 21510, 22788, 22944, 25320, 25812, 28485, 28680, 30384, 32265, 33760, 34416, 37980, 38240, 43020, 45576, 50429, 50640, 51624, 56970, 57360, 60768, 64530, 68832, 75960, 86040, 91152, 100858, 101280, 103248, 113940, 114720, 129060, 151287, 151920, 172080, 182304, 201716, 206496, 227880, 252145, 258120, 302574, 303840, 344160, 403432, 453861, 455760, 504290, 516240, 605148, 756435, 806864, 907722, 911520, 1008580, 1032480, 1210296, 1361583, 1512870, 1613728, 1815444, 2017160, 2269305, 2420592, 2723166, 3025740, 3630888, 4034320, 4538610, 4841184, 5446332, 6051480, 6807915, 7261776, 8068640, 9077220, 10892664, 12102960, 13615830, 14523552, 18154440, 21785328, 24205920, 27231660, 36308880, 43570656, 54463320, 72617760, 108926640, 217853280]

約数ペア:

[(1, 217853280), (2, 108926640), (3, 72617760), (4, 54463320), (5, 43570656), (6, 36308880), (8, 27231660), (9, 24205920), (10, 21785328), (12, 18154440), (15, 14523552), (16, 13615830), (18, 12102960), (20, 10892664), (24, 9077220), (27, 8068640), (30, 7261776), (32, 6807915), (36, 6051480), (40, 5446332), (45, 4841184), (48, 4538610), (54, 4034320), (60, 3630888), (72, 3025740), (80, 2723166), (90, 2420592), (96, 2269305), (108, 2017160), (120, 1815444), (135, 1613728), (144, 1512870), (160, 1361583), (180, 1210296), (211, 1032480), (216, 1008580), (239, 911520), (240, 907722), (270, 806864), (288, 756435), (360, 605148), (422, 516240), (432, 504290), (478, 455760), (480, 453861), (540, 403432), (633, 344160), (717, 303840), (720, 302574), (844, 258120), (864, 252145), (956, 227880), (1055, 206496), (1080, 201716), (1195, 182304), (1266, 172080), (1434, 151920), (1440, 151287), (1688, 129060), (1899, 114720), (1912, 113940), (2110, 103248), (2151, 101280), (2160, 100858), (2390, 91152), (2532, 86040), (2868, 75960), (3165, 68832), (3376, 64530), (3585, 60768), (3798, 57360), (3824, 56970), (4220, 51624), (4302, 50640), (4320, 50429), (4780, 45576), (5064, 43020), (5697, 38240), (5736, 37980), (6330, 34416), (6453, 33760), (6752, 32265), (7170, 30384), (7596, 28680), (7648, 28485), (8440, 25812), (8604, 25320), (9495, 22944), (9560, 22788), (10128, 21510), (10755, 20256), (11394, 19120), (11472, 18990), (12660, 17208), (12906, 16880), (14340, 15192)]