204919680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 256

約数和(自身を含む): 759859200

約数和(自身を除く): 554939520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 128, 140, 158, 160, 168, 192, 193, 210, 224, 237, 240, 280, 316, 320, 336, 384, 386, 395, 420, 448, 474, 480, 553, 560, 579, 632, 640, 672, 772, 790, 840, 896, 948, 960, 965, 1106, 1120, 1158, 1185, 1264, 1344, 1351, 1544, 1580, 1659, 1680, 1896, 1920, 1930, 2212, 2240, 2316, 2370, 2528, 2688, 2702, 2765, 2895, 3088, 3160, 3318, 3360, 3792, 3860, 4053, 4424, 4480, 4632, 4740, 5056, 5404, 5530, 5790, 6176, 6320, 6636, 6720, 6755, 7584, 7720, 8106, 8295, 8848, 9264, 9480, 10112, 10808, 11060, 11580, 12352, 12640, 13272, 13440, 13510, 15168, 15247, 15440, 16212, 16590, 17696, 18528, 18960, 20265, 21616, 22120, 23160, 24704, 25280, 26544, 27020, 30336, 30494, 30880, 32424, 33180, 35392, 37056, 37920, 40530, 43232, 44240, 45741, 46320, 50560, 53088, 54040, 60988, 61760, 64848, 66360, 70784, 74112, 75840, 76235, 81060, 86464, 88480, 91482, 92640, 106176, 106729, 108080, 121976, 123520, 129696, 132720, 151680, 152470, 162120, 172928, 176960, 182964, 185280, 212352, 213458, 216160, 228705, 243952, 259392, 265440, 304940, 320187, 324240, 353920, 365928, 370560, 426916, 432320, 457410, 487904, 518784, 530880, 533645, 609880, 640374, 648480, 731856, 853832, 864640, 914820, 975808, 1061760, 1067290, 1219760, 1280748, 1296960, 1463712, 1600935, 1707664, 1829640, 1951616, 2134580, 2439520, 2561496, 2593920, 2927424, 3201870, 3415328, 3659280, 4269160, 4879040, 5122992, 5854848, 6403740, 6830656, 7318560, 8538320, 9758080, 10245984, 12807480, 13661312, 14637120, 17076640, 20491968, 25614960, 29274240, 34153280, 40983936, 51229920, 68306560, 102459840, 204919680]

約数ペア:

[(1, 204919680), (2, 102459840), (3, 68306560), (4, 51229920), (5, 40983936), (6, 34153280), (7, 29274240), (8, 25614960), (10, 20491968), (12, 17076640), (14, 14637120), (15, 13661312), (16, 12807480), (20, 10245984), (21, 9758080), (24, 8538320), (28, 7318560), (30, 6830656), (32, 6403740), (35, 5854848), (40, 5122992), (42, 4879040), (48, 4269160), (56, 3659280), (60, 3415328), (64, 3201870), (70, 2927424), (79, 2593920), (80, 2561496), (84, 2439520), (96, 2134580), (105, 1951616), (112, 1829640), (120, 1707664), (128, 1600935), (140, 1463712), (158, 1296960), (160, 1280748), (168, 1219760), (192, 1067290), (193, 1061760), (210, 975808), (224, 914820), (237, 864640), (240, 853832), (280, 731856), (316, 648480), (320, 640374), (336, 609880), (384, 533645), (386, 530880), (395, 518784), (420, 487904), (448, 457410), (474, 432320), (480, 426916), (553, 370560), (560, 365928), (579, 353920), (632, 324240), (640, 320187), (672, 304940), (772, 265440), (790, 259392), (840, 243952), (896, 228705), (948, 216160), (960, 213458), (965, 212352), (1106, 185280), (1120, 182964), (1158, 176960), (1185, 172928), (1264, 162120), (1344, 152470), (1351, 151680), (1544, 132720), (1580, 129696), (1659, 123520), (1680, 121976), (1896, 108080), (1920, 106729), (1930, 106176), (2212, 92640), (2240, 91482), (2316, 88480), (2370, 86464), (2528, 81060), (2688, 76235), (2702, 75840), (2765, 74112), (2895, 70784), (3088, 66360), (3160, 64848), (3318, 61760), (3360, 60988), (3792, 54040), (3860, 53088), (4053, 50560), (4424, 46320), (4480, 45741), (4632, 44240), (4740, 43232), (5056, 40530), (5404, 37920), (5530, 37056), (5790, 35392), (6176, 33180), (6320, 32424), (6636, 30880), (6720, 30494), (6755, 30336), (7584, 27020), (7720, 26544), (8106, 25280), (8295, 24704), (8848, 23160), (9264, 22120), (9480, 21616), (10112, 20265), (10808, 18960), (11060, 18528), (11580, 17696), (12352, 16590), (12640, 16212), (13272, 15440), (13440, 15247), (13510, 15168)]