18584640

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 168

約数和(自身を含む): 66568320

約数和(自身を除く): 47983680

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 239, 240, 243, 270, 288, 320, 324, 360, 405, 432, 478, 480, 486, 540, 576, 648, 717, 720, 810, 864, 956, 960, 972, 1080, 1195, 1215, 1296, 1434, 1440, 1620, 1728, 1912, 1944, 2151, 2160, 2390, 2430, 2592, 2868, 2880, 3240, 3585, 3824, 3888, 4302, 4320, 4780, 4860, 5184, 5736, 6453, 6480, 7170, 7648, 7776, 8604, 8640, 9560, 9720, 10755, 11472, 12906, 12960, 14340, 15296, 15552, 17208, 19120, 19359, 19440, 21510, 22944, 25812, 25920, 28680, 32265, 34416, 38240, 38718, 38880, 43020, 45888, 51624, 57360, 58077, 64530, 68832, 76480, 77436, 77760, 86040, 96795, 103248, 114720, 116154, 129060, 137664, 154872, 172080, 193590, 206496, 229440, 232308, 258120, 290385, 309744, 344160, 387180, 412992, 464616, 516240, 580770, 619488, 688320, 774360, 929232, 1032480, 1161540, 1238976, 1548720, 1858464, 2064960, 2323080, 3097440, 3716928, 4646160, 6194880, 9292320, 18584640]

約数ペア:

[(1, 18584640), (2, 9292320), (3, 6194880), (4, 4646160), (5, 3716928), (6, 3097440), (8, 2323080), (9, 2064960), (10, 1858464), (12, 1548720), (15, 1238976), (16, 1161540), (18, 1032480), (20, 929232), (24, 774360), (27, 688320), (30, 619488), (32, 580770), (36, 516240), (40, 464616), (45, 412992), (48, 387180), (54, 344160), (60, 309744), (64, 290385), (72, 258120), (80, 232308), (81, 229440), (90, 206496), (96, 193590), (108, 172080), (120, 154872), (135, 137664), (144, 129060), (160, 116154), (162, 114720), (180, 103248), (192, 96795), (216, 86040), (239, 77760), (240, 77436), (243, 76480), (270, 68832), (288, 64530), (320, 58077), (324, 57360), (360, 51624), (405, 45888), (432, 43020), (478, 38880), (480, 38718), (486, 38240), (540, 34416), (576, 32265), (648, 28680), (717, 25920), (720, 25812), (810, 22944), (864, 21510), (956, 19440), (960, 19359), (972, 19120), (1080, 17208), (1195, 15552), (1215, 15296), (1296, 14340), (1434, 12960), (1440, 12906), (1620, 11472), (1728, 10755), (1912, 9720), (1944, 9560), (2151, 8640), (2160, 8604), (2390, 7776), (2430, 7648), (2592, 7170), (2868, 6480), (2880, 6453), (3240, 5736), (3585, 5184), (3824, 4860), (3888, 4780), (4302, 4320)]