320989824

素因数分解:

$2^7\times 3^3\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 955944000

約数和(自身を除く): 634954176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 131, 144, 192, 216, 262, 288, 384, 393, 432, 524, 576, 709, 786, 864, 1048, 1152, 1179, 1418, 1572, 1728, 2096, 2127, 2358, 2836, 3144, 3456, 3537, 4192, 4254, 4716, 5672, 6288, 6381, 7074, 8384, 8508, 9432, 11344, 12576, 12762, 14148, 16768, 17016, 18864, 19143, 22688, 25152, 25524, 28296, 34032, 37728, 38286, 45376, 50304, 51048, 56592, 68064, 75456, 76572, 90752, 92879, 102096, 113184, 136128, 150912, 153144, 185758, 204192, 226368, 272256, 278637, 306288, 371516, 408384, 452736, 557274, 612576, 743032, 816768, 835911, 1114548, 1225152, 1486064, 1671822, 2229096, 2450304, 2507733, 2972128, 3343644, 4458192, 5015466, 5944256, 6687288, 8916384, 10030932, 11888512, 13374576, 17832768, 20061864, 26749152, 35665536, 40123728, 53498304, 80247456, 106996608, 160494912, 320989824]

約数ペア:

[(1, 320989824), (2, 160494912), (3, 106996608), (4, 80247456), (6, 53498304), (8, 40123728), (9, 35665536), (12, 26749152), (16, 20061864), (18, 17832768), (24, 13374576), (27, 11888512), (32, 10030932), (36, 8916384), (48, 6687288), (54, 5944256), (64, 5015466), (72, 4458192), (96, 3343644), (108, 2972128), (128, 2507733), (131, 2450304), (144, 2229096), (192, 1671822), (216, 1486064), (262, 1225152), (288, 1114548), (384, 835911), (393, 816768), (432, 743032), (524, 612576), (576, 557274), (709, 452736), (786, 408384), (864, 371516), (1048, 306288), (1152, 278637), (1179, 272256), (1418, 226368), (1572, 204192), (1728, 185758), (2096, 153144), (2127, 150912), (2358, 136128), (2836, 113184), (3144, 102096), (3456, 92879), (3537, 90752), (4192, 76572), (4254, 75456), (4716, 68064), (5672, 56592), (6288, 51048), (6381, 50304), (7074, 45376), (8384, 38286), (8508, 37728), (9432, 34032), (11344, 28296), (12576, 25524), (12762, 25152), (14148, 22688), (16768, 19143), (17016, 18864)]