20172784128

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{619}}^1$

素因数の和:1087

約数の個数: 240

約数和(自身を含む): 62761295520

約数和(自身を除く): 42588511392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 433, 448, 512, 588, 619, 672, 768, 784, 866, 896, 1176, 1238, 1299, 1344, 1536, 1568, 1732, 1792, 1857, 2352, 2476, 2598, 2688, 3031, 3136, 3464, 3584, 3714, 4333, 4704, 4952, 5196, 5376, 6062, 6272, 6928, 7428, 8666, 9093, 9408, 9904, 10392, 10752, 12124, 12544, 12999, 13856, 14856, 17332, 18186, 18816, 19808, 20784, 21217, 24248, 25088, 25998, 27712, 29712, 30331, 34664, 36372, 37632, 39616, 41568, 42434, 48496, 51996, 55424, 59424, 60662, 63651, 69328, 72744, 75264, 79232, 83136, 84868, 90993, 96992, 103992, 110848, 118848, 121324, 127302, 138656, 145488, 158464, 166272, 169736, 181986, 193984, 207984, 221696, 237696, 242648, 254604, 268027, 277312, 290976, 316928, 332544, 339472, 363972, 387968, 415968, 475392, 485296, 509208, 536054, 554624, 581952, 665088, 678944, 727944, 775936, 804081, 831936, 950784, 970592, 1018416, 1072108, 1109248, 1163904, 1357888, 1455888, 1551872, 1608162, 1663872, 1876189, 1941184, 2036832, 2144216, 2218496, 2327808, 2715776, 2911776, 3216324, 3327744, 3752378, 3882368, 4073664, 4288432, 4655616, 5431552, 5628567, 5823552, 6432648, 6655488, 7504756, 7764736, 8147328, 8576864, 10863104, 11257134, 11647104, 12865296, 13133323, 15009512, 15529472, 16294656, 17153728, 22514268, 23294208, 25730592, 26266646, 30019024, 32589312, 34307456, 39399969, 45028536, 46588416, 51461184, 52533292, 60038048, 68614912, 78799938, 90057072, 102922368, 105066584, 120076096, 137229824, 157599876, 180114144, 205844736, 210133168, 240152192, 315199752, 360228288, 411689472, 420266336, 480304384, 630399504, 720456576, 840532672, 960608768, 1260799008, 1440913152, 1681065344, 2521598016, 2881826304, 3362130688, 5043196032, 6724261376, 10086392064, 20172784128]

約数ペア:

[(1, 20172784128), (2, 10086392064), (3, 6724261376), (4, 5043196032), (6, 3362130688), (7, 2881826304), (8, 2521598016), (12, 1681065344), (14, 1440913152), (16, 1260799008), (21, 960608768), (24, 840532672), (28, 720456576), (32, 630399504), (42, 480304384), (48, 420266336), (49, 411689472), (56, 360228288), (64, 315199752), (84, 240152192), (96, 210133168), (98, 205844736), (112, 180114144), (128, 157599876), (147, 137229824), (168, 120076096), (192, 105066584), (196, 102922368), (224, 90057072), (256, 78799938), (294, 68614912), (336, 60038048), (384, 52533292), (392, 51461184), (433, 46588416), (448, 45028536), (512, 39399969), (588, 34307456), (619, 32589312), (672, 30019024), (768, 26266646), (784, 25730592), (866, 23294208), (896, 22514268), (1176, 17153728), (1238, 16294656), (1299, 15529472), (1344, 15009512), (1536, 13133323), (1568, 12865296), (1732, 11647104), (1792, 11257134), (1857, 10863104), (2352, 8576864), (2476, 8147328), (2598, 7764736), (2688, 7504756), (3031, 6655488), (3136, 6432648), (3464, 5823552), (3584, 5628567), (3714, 5431552), (4333, 4655616), (4704, 4288432), (4952, 4073664), (5196, 3882368), (5376, 3752378), (6062, 3327744), (6272, 3216324), (6928, 2911776), (7428, 2715776), (8666, 2327808), (9093, 2218496), (9408, 2144216), (9904, 2036832), (10392, 1941184), (10752, 1876189), (12124, 1663872), (12544, 1608162), (12999, 1551872), (13856, 1455888), (14856, 1357888), (17332, 1163904), (18186, 1109248), (18816, 1072108), (19808, 1018416), (20784, 970592), (21217, 950784), (24248, 831936), (25088, 804081), (25998, 775936), (27712, 727944), (29712, 678944), (30331, 665088), (34664, 581952), (36372, 554624), (37632, 536054), (39616, 509208), (41568, 485296), (42434, 475392), (48496, 415968), (51996, 387968), (55424, 363972), (59424, 339472), (60662, 332544), (63651, 316928), (69328, 290976), (72744, 277312), (75264, 268027), (79232, 254604), (83136, 242648), (84868, 237696), (90993, 221696), (96992, 207984), (103992, 193984), (110848, 181986), (118848, 169736), (121324, 166272), (127302, 158464), (138656, 145488)]