918494720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 240

約数和(自身を含む): 2614935312

約数和(自身を除く): 1696440592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 169, 176, 193, 208, 220, 256, 260, 286, 320, 338, 352, 386, 416, 440, 512, 520, 572, 640, 676, 704, 715, 772, 832, 845, 880, 965, 1040, 1144, 1280, 1352, 1408, 1430, 1544, 1664, 1690, 1760, 1859, 1930, 2080, 2123, 2288, 2509, 2560, 2704, 2816, 2860, 3088, 3328, 3380, 3520, 3718, 3860, 4160, 4246, 4576, 5018, 5408, 5632, 5720, 6176, 6656, 6760, 7040, 7436, 7720, 8320, 8492, 9152, 9295, 10036, 10615, 10816, 11440, 12352, 12545, 13520, 14080, 14872, 15440, 16640, 16984, 18304, 18590, 20072, 21230, 21632, 22880, 24704, 25090, 27040, 27599, 28160, 29744, 30880, 32617, 33280, 33968, 36608, 37180, 40144, 42460, 43264, 45760, 49408, 50180, 54080, 55198, 59488, 61760, 65234, 67936, 73216, 74360, 80288, 84920, 86528, 91520, 98816, 100360, 108160, 110396, 118976, 123520, 130468, 135872, 137995, 148720, 160576, 163085, 169840, 183040, 200720, 216320, 220792, 237952, 247040, 260936, 271744, 275990, 297440, 321152, 326170, 339680, 358787, 366080, 401440, 432640, 441584, 475904, 494080, 521872, 543488, 551980, 594880, 642304, 652340, 679360, 717574, 802880, 883168, 951808, 1043744, 1086976, 1103960, 1189760, 1284608, 1304680, 1358720, 1435148, 1605760, 1766336, 1793935, 2087488, 2207920, 2379520, 2609360, 2717440, 2870296, 3211520, 3532672, 3587870, 4174976, 4415840, 4759040, 5218720, 5434880, 5740592, 6423040, 7065344, 7175740, 8349952, 8831680, 10437440, 11481184, 14130688, 14351480, 16699904, 17663360, 20874880, 22962368, 28702960, 35326720, 41749760, 45924736, 57405920, 70653440, 83499520, 91849472, 114811840, 183698944, 229623680, 459247360, 918494720]

約数ペア:

[(1, 918494720), (2, 459247360), (4, 229623680), (5, 183698944), (8, 114811840), (10, 91849472), (11, 83499520), (13, 70653440), (16, 57405920), (20, 45924736), (22, 41749760), (26, 35326720), (32, 28702960), (40, 22962368), (44, 20874880), (52, 17663360), (55, 16699904), (64, 14351480), (65, 14130688), (80, 11481184), (88, 10437440), (104, 8831680), (110, 8349952), (128, 7175740), (130, 7065344), (143, 6423040), (160, 5740592), (169, 5434880), (176, 5218720), (193, 4759040), (208, 4415840), (220, 4174976), (256, 3587870), (260, 3532672), (286, 3211520), (320, 2870296), (338, 2717440), (352, 2609360), (386, 2379520), (416, 2207920), (440, 2087488), (512, 1793935), (520, 1766336), (572, 1605760), (640, 1435148), (676, 1358720), (704, 1304680), (715, 1284608), (772, 1189760), (832, 1103960), (845, 1086976), (880, 1043744), (965, 951808), (1040, 883168), (1144, 802880), (1280, 717574), (1352, 679360), (1408, 652340), (1430, 642304), (1544, 594880), (1664, 551980), (1690, 543488), (1760, 521872), (1859, 494080), (1930, 475904), (2080, 441584), (2123, 432640), (2288, 401440), (2509, 366080), (2560, 358787), (2704, 339680), (2816, 326170), (2860, 321152), (3088, 297440), (3328, 275990), (3380, 271744), (3520, 260936), (3718, 247040), (3860, 237952), (4160, 220792), (4246, 216320), (4576, 200720), (5018, 183040), (5408, 169840), (5632, 163085), (5720, 160576), (6176, 148720), (6656, 137995), (6760, 135872), (7040, 130468), (7436, 123520), (7720, 118976), (8320, 110396), (8492, 108160), (9152, 100360), (9295, 98816), (10036, 91520), (10615, 86528), (10816, 84920), (11440, 80288), (12352, 74360), (12545, 73216), (13520, 67936), (14080, 65234), (14872, 61760), (15440, 59488), (16640, 55198), (16984, 54080), (18304, 50180), (18590, 49408), (20072, 45760), (21230, 43264), (21632, 42460), (22880, 40144), (24704, 37180), (25090, 36608), (27040, 33968), (27599, 33280), (28160, 32617), (29744, 30880)]