81252864

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 240

約数和(自身を含む): 293641920

約数和(自身を除く): 212389056

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, 229, 231, 252, 256, 264, 288, 308, 336, 352, 384, 396, 448, 458, 462, 504, 512, 528, 576, 616, 672, 687, 693, 704, 768, 792, 896, 916, 924, 1008, 1056, 1152, 1232, 1344, 1374, 1386, 1408, 1536, 1584, 1603, 1792, 1832, 1848, 2016, 2061, 2112, 2304, 2464, 2519, 2688, 2748, 2772, 2816, 3168, 3206, 3584, 3664, 3696, 4032, 4122, 4224, 4608, 4809, 4928, 5038, 5376, 5496, 5544, 5632, 6336, 6412, 7328, 7392, 7557, 8064, 8244, 8448, 9618, 9856, 10076, 10752, 10992, 11088, 12672, 12824, 14427, 14656, 14784, 15114, 16128, 16488, 16896, 17633, 19236, 19712, 20152, 21984, 22176, 22671, 25344, 25648, 28854, 29312, 29568, 30228, 32256, 32976, 35266, 38472, 39424, 40304, 43968, 44352, 45342, 50688, 51296, 52899, 57708, 58624, 59136, 60456, 65952, 70532, 76944, 80608, 87936, 88704, 90684, 102592, 105798, 115416, 117248, 118272, 120912, 131904, 141064, 153888, 158697, 161216, 175872, 177408, 181368, 205184, 211596, 230832, 241824, 263808, 282128, 307776, 317394, 322432, 351744, 354816, 362736, 410368, 423192, 461664, 483648, 527616, 564256, 615552, 634788, 644864, 725472, 820736, 846384, 923328, 967296, 1055232, 1128512, 1231104, 1269576, 1289728, 1450944, 1692768, 1846656, 1934592, 2257024, 2462208, 2539152, 2901888, 3385536, 3693312, 3869184, 4514048, 5078304, 5803776, 6771072, 7386624, 9028096, 10156608, 11607552, 13542144, 20313216, 27084288, 40626432, 81252864]

約数ペア:

[(1, 81252864), (2, 40626432), (3, 27084288), (4, 20313216), (6, 13542144), (7, 11607552), (8, 10156608), (9, 9028096), (11, 7386624), (12, 6771072), (14, 5803776), (16, 5078304), (18, 4514048), (21, 3869184), (22, 3693312), (24, 3385536), (28, 2901888), (32, 2539152), (33, 2462208), (36, 2257024), (42, 1934592), (44, 1846656), (48, 1692768), (56, 1450944), (63, 1289728), (64, 1269576), (66, 1231104), (72, 1128512), (77, 1055232), (84, 967296), (88, 923328), (96, 846384), (99, 820736), (112, 725472), (126, 644864), (128, 634788), (132, 615552), (144, 564256), (154, 527616), (168, 483648), (176, 461664), (192, 423192), (198, 410368), (224, 362736), (229, 354816), (231, 351744), (252, 322432), (256, 317394), (264, 307776), (288, 282128), (308, 263808), (336, 241824), (352, 230832), (384, 211596), (396, 205184), (448, 181368), (458, 177408), (462, 175872), (504, 161216), (512, 158697), (528, 153888), (576, 141064), (616, 131904), (672, 120912), (687, 118272), (693, 117248), (704, 115416), (768, 105798), (792, 102592), (896, 90684), (916, 88704), (924, 87936), (1008, 80608), (1056, 76944), (1152, 70532), (1232, 65952), (1344, 60456), (1374, 59136), (1386, 58624), (1408, 57708), (1536, 52899), (1584, 51296), (1603, 50688), (1792, 45342), (1832, 44352), (1848, 43968), (2016, 40304), (2061, 39424), (2112, 38472), (2304, 35266), (2464, 32976), (2519, 32256), (2688, 30228), (2748, 29568), (2772, 29312), (2816, 28854), (3168, 25648), (3206, 25344), (3584, 22671), (3664, 22176), (3696, 21984), (4032, 20152), (4122, 19712), (4224, 19236), (4608, 17633), (4809, 16896), (4928, 16488), (5038, 16128), (5376, 15114), (5496, 14784), (5544, 14656), (5632, 14427), (6336, 12824), (6412, 12672), (7328, 11088), (7392, 10992), (7557, 10752), (8064, 10076), (8244, 9856), (8448, 9618)]