255408384

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 216

約数和(自身を含む): 864023328

約数和(自身を除く): 608614944

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 64, 66, 77, 84, 88, 96, 98, 112, 128, 132, 147, 154, 168, 176, 192, 196, 224, 231, 256, 264, 294, 308, 336, 352, 384, 392, 448, 462, 528, 539, 588, 616, 617, 672, 704, 768, 784, 896, 924, 1056, 1078, 1176, 1232, 1234, 1344, 1408, 1568, 1617, 1792, 1848, 1851, 2112, 2156, 2352, 2464, 2468, 2688, 2816, 3136, 3234, 3696, 3702, 4224, 4312, 4319, 4704, 4928, 4936, 5376, 6272, 6468, 6787, 7392, 7404, 8448, 8624, 8638, 9408, 9856, 9872, 12544, 12936, 12957, 13574, 14784, 14808, 17248, 17276, 18816, 19712, 19744, 20361, 25872, 25914, 27148, 29568, 29616, 30233, 34496, 34552, 37632, 39488, 40722, 47509, 51744, 51828, 54296, 59136, 59232, 60466, 68992, 69104, 78976, 81444, 90699, 95018, 103488, 103656, 108592, 118464, 120932, 137984, 138208, 142527, 157952, 162888, 181398, 190036, 206976, 207312, 217184, 236928, 241864, 276416, 285054, 325776, 332563, 362796, 380072, 413952, 414624, 434368, 473856, 483728, 552832, 570108, 651552, 665126, 725592, 760144, 829248, 868736, 967456, 997689, 1105664, 1140216, 1303104, 1330252, 1451184, 1520288, 1658496, 1737472, 1934912, 1995378, 2280432, 2606208, 2660504, 2902368, 3040576, 3316992, 3869824, 3990756, 4560864, 5212416, 5321008, 5804736, 6081152, 7739648, 7981512, 9121728, 10642016, 11609472, 12162304, 15963024, 18243456, 21284032, 23218944, 31926048, 36486912, 42568064, 63852096, 85136128, 127704192, 255408384]

約数ペア:

[(1, 255408384), (2, 127704192), (3, 85136128), (4, 63852096), (6, 42568064), (7, 36486912), (8, 31926048), (11, 23218944), (12, 21284032), (14, 18243456), (16, 15963024), (21, 12162304), (22, 11609472), (24, 10642016), (28, 9121728), (32, 7981512), (33, 7739648), (42, 6081152), (44, 5804736), (48, 5321008), (49, 5212416), (56, 4560864), (64, 3990756), (66, 3869824), (77, 3316992), (84, 3040576), (88, 2902368), (96, 2660504), (98, 2606208), (112, 2280432), (128, 1995378), (132, 1934912), (147, 1737472), (154, 1658496), (168, 1520288), (176, 1451184), (192, 1330252), (196, 1303104), (224, 1140216), (231, 1105664), (256, 997689), (264, 967456), (294, 868736), (308, 829248), (336, 760144), (352, 725592), (384, 665126), (392, 651552), (448, 570108), (462, 552832), (528, 483728), (539, 473856), (588, 434368), (616, 414624), (617, 413952), (672, 380072), (704, 362796), (768, 332563), (784, 325776), (896, 285054), (924, 276416), (1056, 241864), (1078, 236928), (1176, 217184), (1232, 207312), (1234, 206976), (1344, 190036), (1408, 181398), (1568, 162888), (1617, 157952), (1792, 142527), (1848, 138208), (1851, 137984), (2112, 120932), (2156, 118464), (2352, 108592), (2464, 103656), (2468, 103488), (2688, 95018), (2816, 90699), (3136, 81444), (3234, 78976), (3696, 69104), (3702, 68992), (4224, 60466), (4312, 59232), (4319, 59136), (4704, 54296), (4928, 51828), (4936, 51744), (5376, 47509), (6272, 40722), (6468, 39488), (6787, 37632), (7392, 34552), (7404, 34496), (8448, 30233), (8624, 29616), (8638, 29568), (9408, 27148), (9856, 25914), (9872, 25872), (12544, 20361), (12936, 19744), (12957, 19712), (13574, 18816), (14784, 17276), (14808, 17248)]