256251456

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 168

約数和(自身を含む): 770924544

約数和(自身を除く): 514673088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 113, 124, 127, 144, 186, 192, 226, 248, 254, 279, 288, 339, 372, 381, 452, 496, 508, 558, 576, 678, 744, 762, 904, 992, 1016, 1017, 1116, 1143, 1356, 1488, 1524, 1808, 1984, 2032, 2034, 2232, 2286, 2712, 2976, 3048, 3503, 3616, 3937, 4064, 4068, 4464, 4572, 5424, 5952, 6096, 7006, 7232, 7874, 8128, 8136, 8928, 9144, 10509, 10848, 11811, 12192, 14012, 14351, 15748, 16272, 17856, 18288, 21018, 21696, 23622, 24384, 28024, 28702, 31496, 31527, 32544, 35433, 36576, 42036, 43053, 47244, 56048, 57404, 62992, 63054, 65088, 70866, 73152, 84072, 86106, 94488, 112096, 114808, 125984, 126108, 129159, 141732, 168144, 172212, 188976, 224192, 229616, 251968, 252216, 258318, 283464, 336288, 344424, 377952, 444881, 459232, 504432, 516636, 566928, 672576, 688848, 755904, 889762, 918464, 1008864, 1033272, 1133856, 1334643, 1377696, 1779524, 2017728, 2066544, 2267712, 2669286, 2755392, 3559048, 4003929, 4133088, 5338572, 7118096, 8007858, 8266176, 10677144, 14236192, 16015716, 21354288, 28472384, 32031432, 42708576, 64062864, 85417152, 128125728, 256251456]

約数ペア:

[(1, 256251456), (2, 128125728), (3, 85417152), (4, 64062864), (6, 42708576), (8, 32031432), (9, 28472384), (12, 21354288), (16, 16015716), (18, 14236192), (24, 10677144), (31, 8266176), (32, 8007858), (36, 7118096), (48, 5338572), (62, 4133088), (64, 4003929), (72, 3559048), (93, 2755392), (96, 2669286), (113, 2267712), (124, 2066544), (127, 2017728), (144, 1779524), (186, 1377696), (192, 1334643), (226, 1133856), (248, 1033272), (254, 1008864), (279, 918464), (288, 889762), (339, 755904), (372, 688848), (381, 672576), (452, 566928), (496, 516636), (508, 504432), (558, 459232), (576, 444881), (678, 377952), (744, 344424), (762, 336288), (904, 283464), (992, 258318), (1016, 252216), (1017, 251968), (1116, 229616), (1143, 224192), (1356, 188976), (1488, 172212), (1524, 168144), (1808, 141732), (1984, 129159), (2032, 126108), (2034, 125984), (2232, 114808), (2286, 112096), (2712, 94488), (2976, 86106), (3048, 84072), (3503, 73152), (3616, 70866), (3937, 65088), (4064, 63054), (4068, 62992), (4464, 57404), (4572, 56048), (5424, 47244), (5952, 43053), (6096, 42036), (7006, 36576), (7232, 35433), (7874, 32544), (8128, 31527), (8136, 31496), (8928, 28702), (9144, 28024), (10509, 24384), (10848, 23622), (11811, 21696), (12192, 21018), (14012, 18288), (14351, 17856), (15748, 16272)]