28049760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 101122560

約数和(自身を除く): 73072800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 151, 160, 172, 180, 215, 216, 240, 258, 270, 288, 302, 344, 360, 387, 430, 432, 453, 480, 516, 540, 604, 645, 688, 720, 755, 774, 860, 864, 906, 1032, 1080, 1161, 1208, 1290, 1359, 1376, 1440, 1510, 1548, 1720, 1812, 1935, 2064, 2160, 2265, 2322, 2416, 2580, 2718, 3020, 3096, 3440, 3624, 3870, 4077, 4128, 4320, 4530, 4644, 4832, 5160, 5436, 5805, 6040, 6192, 6493, 6795, 6880, 7248, 7740, 8154, 9060, 9288, 10320, 10872, 11610, 12080, 12384, 12986, 13590, 14496, 15480, 16308, 18120, 18576, 19479, 20385, 20640, 21744, 23220, 24160, 25972, 27180, 30960, 32465, 32616, 36240, 37152, 38958, 40770, 43488, 46440, 51944, 54360, 58437, 61920, 64930, 65232, 72480, 77916, 81540, 92880, 97395, 103888, 108720, 116874, 129860, 130464, 155832, 163080, 175311, 185760, 194790, 207776, 217440, 233748, 259720, 292185, 311664, 326160, 350622, 389580, 467496, 519440, 584370, 623328, 652320, 701244, 779160, 876555, 934992, 1038880, 1168740, 1402488, 1558320, 1753110, 1869984, 2337480, 2804976, 3116640, 3506220, 4674960, 5609952, 7012440, 9349920, 14024880, 28049760]

約数ペア:

[(1, 28049760), (2, 14024880), (3, 9349920), (4, 7012440), (5, 5609952), (6, 4674960), (8, 3506220), (9, 3116640), (10, 2804976), (12, 2337480), (15, 1869984), (16, 1753110), (18, 1558320), (20, 1402488), (24, 1168740), (27, 1038880), (30, 934992), (32, 876555), (36, 779160), (40, 701244), (43, 652320), (45, 623328), (48, 584370), (54, 519440), (60, 467496), (72, 389580), (80, 350622), (86, 326160), (90, 311664), (96, 292185), (108, 259720), (120, 233748), (129, 217440), (135, 207776), (144, 194790), (151, 185760), (160, 175311), (172, 163080), (180, 155832), (215, 130464), (216, 129860), (240, 116874), (258, 108720), (270, 103888), (288, 97395), (302, 92880), (344, 81540), (360, 77916), (387, 72480), (430, 65232), (432, 64930), (453, 61920), (480, 58437), (516, 54360), (540, 51944), (604, 46440), (645, 43488), (688, 40770), (720, 38958), (755, 37152), (774, 36240), (860, 32616), (864, 32465), (906, 30960), (1032, 27180), (1080, 25972), (1161, 24160), (1208, 23220), (1290, 21744), (1359, 20640), (1376, 20385), (1440, 19479), (1510, 18576), (1548, 18120), (1720, 16308), (1812, 15480), (1935, 14496), (2064, 13590), (2160, 12986), (2265, 12384), (2322, 12080), (2416, 11610), (2580, 10872), (2718, 10320), (3020, 9288), (3096, 9060), (3440, 8154), (3624, 7740), (3870, 7248), (4077, 6880), (4128, 6795), (4320, 6493), (4530, 6192), (4644, 6040), (4832, 5805), (5160, 5436)]