261053184

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 144

約数和(自身を含む): 811059200

約数和(自身を除く): 550006016

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, 343, 384, 392, 448, 588, 672, 686, 768, 784, 896, 991, 1029, 1176, 1344, 1372, 1568, 1792, 1982, 2058, 2352, 2688, 2744, 2973, 3136, 3964, 4116, 4704, 5376, 5488, 5946, 6272, 6937, 7928, 8232, 9408, 10976, 11892, 12544, 13874, 15856, 16464, 18816, 20811, 21952, 23784, 27748, 31712, 32928, 37632, 41622, 43904, 47568, 48559, 55496, 63424, 65856, 83244, 87808, 95136, 97118, 110992, 126848, 131712, 145677, 166488, 190272, 194236, 221984, 253696, 263424, 291354, 332976, 339913, 380544, 388472, 443968, 582708, 665952, 679826, 761088, 776944, 887936, 1019739, 1165416, 1331904, 1359652, 1553888, 1775872, 2039478, 2330832, 2663808, 2719304, 3107776, 4078956, 4661664, 5327616, 5438608, 6215552, 8157912, 9323328, 10877216, 12431104, 16315824, 18646656, 21754432, 32631648, 37293312, 43508864, 65263296, 87017728, 130526592, 261053184]

約数ペア:

[(1, 261053184), (2, 130526592), (3, 87017728), (4, 65263296), (6, 43508864), (7, 37293312), (8, 32631648), (12, 21754432), (14, 18646656), (16, 16315824), (21, 12431104), (24, 10877216), (28, 9323328), (32, 8157912), (42, 6215552), (48, 5438608), (49, 5327616), (56, 4661664), (64, 4078956), (84, 3107776), (96, 2719304), (98, 2663808), (112, 2330832), (128, 2039478), (147, 1775872), (168, 1553888), (192, 1359652), (196, 1331904), (224, 1165416), (256, 1019739), (294, 887936), (336, 776944), (343, 761088), (384, 679826), (392, 665952), (448, 582708), (588, 443968), (672, 388472), (686, 380544), (768, 339913), (784, 332976), (896, 291354), (991, 263424), (1029, 253696), (1176, 221984), (1344, 194236), (1372, 190272), (1568, 166488), (1792, 145677), (1982, 131712), (2058, 126848), (2352, 110992), (2688, 97118), (2744, 95136), (2973, 87808), (3136, 83244), (3964, 65856), (4116, 63424), (4704, 55496), (5376, 48559), (5488, 47568), (5946, 43904), (6272, 41622), (6937, 37632), (7928, 32928), (8232, 31712), (9408, 27748), (10976, 23784), (11892, 21952), (12544, 20811), (13874, 18816), (15856, 16464)]