81075456

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 216

約数和(自身を含む): 292079424

約数和(自身を除く): 211003968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 252, 256, 264, 288, 308, 336, 352, 384, 396, 448, 457, 462, 504, 528, 576, 616, 672, 693, 704, 768, 792, 896, 914, 924, 1008, 1056, 1152, 1232, 1344, 1371, 1386, 1408, 1584, 1792, 1828, 1848, 2016, 2112, 2304, 2464, 2688, 2742, 2772, 2816, 3168, 3199, 3656, 3696, 4032, 4113, 4224, 4928, 5027, 5376, 5484, 5544, 6336, 6398, 7312, 7392, 8064, 8226, 8448, 9597, 9856, 10054, 10968, 11088, 12672, 12796, 14624, 14784, 15081, 16128, 16452, 19194, 19712, 20108, 21936, 22176, 25344, 25592, 28791, 29248, 29568, 30162, 32904, 35189, 38388, 40216, 43872, 44352, 45243, 51184, 57582, 58496, 59136, 60324, 65808, 70378, 76776, 80432, 87744, 88704, 90486, 102368, 105567, 115164, 116992, 120648, 131616, 140756, 153552, 160864, 175488, 177408, 180972, 204736, 211134, 230328, 241296, 263232, 281512, 307104, 316701, 321728, 350976, 361944, 409472, 422268, 460656, 482592, 526464, 563024, 614208, 633402, 643456, 723888, 818944, 844536, 921312, 965184, 1052928, 1126048, 1228416, 1266804, 1286912, 1447776, 1689072, 1842624, 1930368, 2252096, 2456832, 2533608, 2895552, 3378144, 3685248, 3860736, 4504192, 5067216, 5791104, 6756288, 7370496, 9008384, 10134432, 11582208, 13512576, 20268864, 27025152, 40537728, 81075456]

約数ペア:

[(1, 81075456), (2, 40537728), (3, 27025152), (4, 20268864), (6, 13512576), (7, 11582208), (8, 10134432), (9, 9008384), (11, 7370496), (12, 6756288), (14, 5791104), (16, 5067216), (18, 4504192), (21, 3860736), (22, 3685248), (24, 3378144), (28, 2895552), (32, 2533608), (33, 2456832), (36, 2252096), (42, 1930368), (44, 1842624), (48, 1689072), (56, 1447776), (63, 1286912), (64, 1266804), (66, 1228416), (72, 1126048), (77, 1052928), (84, 965184), (88, 921312), (96, 844536), (99, 818944), (112, 723888), (126, 643456), (128, 633402), (132, 614208), (144, 563024), (154, 526464), (168, 482592), (176, 460656), (192, 422268), (198, 409472), (224, 361944), (231, 350976), (252, 321728), (256, 316701), (264, 307104), (288, 281512), (308, 263232), (336, 241296), (352, 230328), (384, 211134), (396, 204736), (448, 180972), (457, 177408), (462, 175488), (504, 160864), (528, 153552), (576, 140756), (616, 131616), (672, 120648), (693, 116992), (704, 115164), (768, 105567), (792, 102368), (896, 90486), (914, 88704), (924, 87744), (1008, 80432), (1056, 76776), (1152, 70378), (1232, 65808), (1344, 60324), (1371, 59136), (1386, 58496), (1408, 57582), (1584, 51184), (1792, 45243), (1828, 44352), (1848, 43872), (2016, 40216), (2112, 38388), (2304, 35189), (2464, 32904), (2688, 30162), (2742, 29568), (2772, 29248), (2816, 28791), (3168, 25592), (3199, 25344), (3656, 22176), (3696, 21936), (4032, 20108), (4113, 19712), (4224, 19194), (4928, 16452), (5027, 16128), (5376, 15081), (5484, 14784), (5544, 14624), (6336, 12796), (6398, 12672), (7312, 11088), (7392, 10968), (8064, 10054), (8226, 9856), (8448, 9597)]