255725568

素因数分解:

$2^{12}\times 3^2\times 7^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 156

約数和(自身を含む): 845049088

約数和(自身を除く): 589323520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 991, 1008, 1024, 1152, 1344, 1536, 1792, 1982, 2016, 2048, 2304, 2688, 2973, 3072, 3584, 3964, 4032, 4096, 4608, 5376, 5946, 6144, 6937, 7168, 7928, 8064, 8919, 9216, 10752, 11892, 12288, 13874, 14336, 15856, 16128, 17838, 18432, 20811, 21504, 23784, 27748, 28672, 31712, 32256, 35676, 36864, 41622, 43008, 47568, 55496, 62433, 63424, 64512, 71352, 83244, 86016, 95136, 110992, 124866, 126848, 129024, 142704, 166488, 190272, 221984, 249732, 253696, 258048, 285408, 332976, 380544, 443968, 499464, 507392, 570816, 665952, 761088, 887936, 998928, 1014784, 1141632, 1331904, 1522176, 1775872, 1997856, 2029568, 2283264, 2663808, 3044352, 3551744, 3995712, 4059136, 4566528, 5327616, 6088704, 7103488, 7991424, 9133056, 10655232, 12177408, 14206976, 15982848, 18266112, 21310464, 28413952, 31965696, 36532224, 42620928, 63931392, 85241856, 127862784, 255725568]

約数ペア:

[(1, 255725568), (2, 127862784), (3, 85241856), (4, 63931392), (6, 42620928), (7, 36532224), (8, 31965696), (9, 28413952), (12, 21310464), (14, 18266112), (16, 15982848), (18, 14206976), (21, 12177408), (24, 10655232), (28, 9133056), (32, 7991424), (36, 7103488), (42, 6088704), (48, 5327616), (56, 4566528), (63, 4059136), (64, 3995712), (72, 3551744), (84, 3044352), (96, 2663808), (112, 2283264), (126, 2029568), (128, 1997856), (144, 1775872), (168, 1522176), (192, 1331904), (224, 1141632), (252, 1014784), (256, 998928), (288, 887936), (336, 761088), (384, 665952), (448, 570816), (504, 507392), (512, 499464), (576, 443968), (672, 380544), (768, 332976), (896, 285408), (991, 258048), (1008, 253696), (1024, 249732), (1152, 221984), (1344, 190272), (1536, 166488), (1792, 142704), (1982, 129024), (2016, 126848), (2048, 124866), (2304, 110992), (2688, 95136), (2973, 86016), (3072, 83244), (3584, 71352), (3964, 64512), (4032, 63424), (4096, 62433), (4608, 55496), (5376, 47568), (5946, 43008), (6144, 41622), (6937, 36864), (7168, 35676), (7928, 32256), (8064, 31712), (8919, 28672), (9216, 27748), (10752, 23784), (11892, 21504), (12288, 20811), (13874, 18432), (14336, 17838), (15856, 16128)]