258697728

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1866

約数の個数: 120

約数和(自身を含む): 771129216

約数和(自身を除く): 512431488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1536, 1811, 1984, 2232, 2304, 2976, 3622, 3968, 4464, 4608, 5433, 5952, 7244, 7936, 8928, 10866, 11904, 14488, 15872, 16299, 17856, 21732, 23808, 28976, 32598, 35712, 43464, 47616, 56141, 57952, 65196, 71424, 86928, 112282, 115904, 130392, 142848, 168423, 173856, 224564, 231808, 260784, 336846, 347712, 449128, 463616, 505269, 521568, 673692, 695424, 898256, 927232, 1010538, 1043136, 1347384, 1390848, 1796512, 2021076, 2086272, 2694768, 2781696, 3593024, 4042152, 4172544, 5389536, 7186048, 8084304, 8345088, 10779072, 14372096, 16168608, 21558144, 28744192, 32337216, 43116288, 64674432, 86232576, 129348864, 258697728]

約数ペア:

[(1, 258697728), (2, 129348864), (3, 86232576), (4, 64674432), (6, 43116288), (8, 32337216), (9, 28744192), (12, 21558144), (16, 16168608), (18, 14372096), (24, 10779072), (31, 8345088), (32, 8084304), (36, 7186048), (48, 5389536), (62, 4172544), (64, 4042152), (72, 3593024), (93, 2781696), (96, 2694768), (124, 2086272), (128, 2021076), (144, 1796512), (186, 1390848), (192, 1347384), (248, 1043136), (256, 1010538), (279, 927232), (288, 898256), (372, 695424), (384, 673692), (496, 521568), (512, 505269), (558, 463616), (576, 449128), (744, 347712), (768, 336846), (992, 260784), (1116, 231808), (1152, 224564), (1488, 173856), (1536, 168423), (1811, 142848), (1984, 130392), (2232, 115904), (2304, 112282), (2976, 86928), (3622, 71424), (3968, 65196), (4464, 57952), (4608, 56141), (5433, 47616), (5952, 43464), (7244, 35712), (7936, 32598), (8928, 28976), (10866, 23808), (11904, 21732), (14488, 17856), (15872, 16299)]