209242880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 216

約数和(自身を含む): 632871456

約数和(自身を除く): 423628576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 193, 220, 224, 242, 256, 280, 308, 320, 352, 385, 386, 440, 448, 484, 560, 605, 616, 640, 704, 770, 772, 847, 880, 896, 965, 968, 1120, 1210, 1232, 1280, 1351, 1408, 1540, 1544, 1694, 1760, 1792, 1930, 1936, 2123, 2240, 2420, 2464, 2702, 2816, 3080, 3088, 3388, 3520, 3860, 3872, 4235, 4246, 4480, 4840, 4928, 5404, 6160, 6176, 6755, 6776, 7040, 7720, 7744, 8470, 8492, 8960, 9680, 9856, 10615, 10808, 12320, 12352, 13510, 13552, 14080, 14861, 15440, 15488, 16940, 16984, 19360, 19712, 21230, 21616, 23353, 24640, 24704, 27020, 27104, 29722, 30880, 30976, 33880, 33968, 38720, 42460, 43232, 46706, 49280, 49408, 54040, 54208, 59444, 61760, 67760, 67936, 74305, 77440, 84920, 86464, 93412, 98560, 108080, 108416, 116765, 118888, 123520, 135520, 135872, 148610, 154880, 163471, 169840, 172928, 186824, 216160, 216832, 233530, 237776, 247040, 271040, 271744, 297220, 326942, 339680, 345856, 373648, 432320, 467060, 475552, 542080, 543488, 594440, 653884, 679360, 747296, 817355, 864640, 934120, 951104, 1084160, 1188880, 1307768, 1358720, 1494592, 1634710, 1729280, 1868240, 1902208, 2377760, 2615536, 2717440, 2989184, 3269420, 3736480, 3804416, 4755520, 5231072, 5978368, 6538840, 7472960, 9511040, 10462144, 13077680, 14945920, 19022080, 20924288, 26155360, 29891840, 41848576, 52310720, 104621440, 209242880]

約数ペア:

[(1, 209242880), (2, 104621440), (4, 52310720), (5, 41848576), (7, 29891840), (8, 26155360), (10, 20924288), (11, 19022080), (14, 14945920), (16, 13077680), (20, 10462144), (22, 9511040), (28, 7472960), (32, 6538840), (35, 5978368), (40, 5231072), (44, 4755520), (55, 3804416), (56, 3736480), (64, 3269420), (70, 2989184), (77, 2717440), (80, 2615536), (88, 2377760), (110, 1902208), (112, 1868240), (121, 1729280), (128, 1634710), (140, 1494592), (154, 1358720), (160, 1307768), (176, 1188880), (193, 1084160), (220, 951104), (224, 934120), (242, 864640), (256, 817355), (280, 747296), (308, 679360), (320, 653884), (352, 594440), (385, 543488), (386, 542080), (440, 475552), (448, 467060), (484, 432320), (560, 373648), (605, 345856), (616, 339680), (640, 326942), (704, 297220), (770, 271744), (772, 271040), (847, 247040), (880, 237776), (896, 233530), (965, 216832), (968, 216160), (1120, 186824), (1210, 172928), (1232, 169840), (1280, 163471), (1351, 154880), (1408, 148610), (1540, 135872), (1544, 135520), (1694, 123520), (1760, 118888), (1792, 116765), (1930, 108416), (1936, 108080), (2123, 98560), (2240, 93412), (2420, 86464), (2464, 84920), (2702, 77440), (2816, 74305), (3080, 67936), (3088, 67760), (3388, 61760), (3520, 59444), (3860, 54208), (3872, 54040), (4235, 49408), (4246, 49280), (4480, 46706), (4840, 43232), (4928, 42460), (5404, 38720), (6160, 33968), (6176, 33880), (6755, 30976), (6776, 30880), (7040, 29722), (7720, 27104), (7744, 27020), (8470, 24704), (8492, 24640), (8960, 23353), (9680, 21616), (9856, 21230), (10615, 19712), (10808, 19360), (12320, 16984), (12352, 16940), (13510, 15488), (13552, 15440), (14080, 14861)]