263375680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:428

約数の個数: 112

約数和(自身を含む): 657545040

約数和(自身を除く): 394169360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 101, 116, 145, 160, 202, 232, 281, 290, 320, 404, 464, 505, 562, 580, 808, 928, 1010, 1124, 1160, 1405, 1616, 1856, 2020, 2248, 2320, 2810, 2929, 3232, 4040, 4496, 4640, 5620, 5858, 6464, 8080, 8149, 8992, 9280, 11240, 11716, 14645, 16160, 16298, 17984, 22480, 23432, 28381, 29290, 32320, 32596, 40745, 44960, 46864, 56762, 58580, 65192, 81490, 89920, 93728, 113524, 117160, 130384, 141905, 162980, 187456, 227048, 234320, 260768, 283810, 325960, 454096, 468640, 521536, 567620, 651920, 823049, 908192, 937280, 1135240, 1303840, 1646098, 1816384, 2270480, 2607680, 3292196, 4115245, 4540960, 6584392, 8230490, 9081920, 13168784, 16460980, 26337568, 32921960, 52675136, 65843920, 131687840, 263375680]

約数ペア:

[(1, 263375680), (2, 131687840), (4, 65843920), (5, 52675136), (8, 32921960), (10, 26337568), (16, 16460980), (20, 13168784), (29, 9081920), (32, 8230490), (40, 6584392), (58, 4540960), (64, 4115245), (80, 3292196), (101, 2607680), (116, 2270480), (145, 1816384), (160, 1646098), (202, 1303840), (232, 1135240), (281, 937280), (290, 908192), (320, 823049), (404, 651920), (464, 567620), (505, 521536), (562, 468640), (580, 454096), (808, 325960), (928, 283810), (1010, 260768), (1124, 234320), (1160, 227048), (1405, 187456), (1616, 162980), (1856, 141905), (2020, 130384), (2248, 117160), (2320, 113524), (2810, 93728), (2929, 89920), (3232, 81490), (4040, 65192), (4496, 58580), (4640, 56762), (5620, 46864), (5858, 44960), (6464, 40745), (8080, 32596), (8149, 32320), (8992, 29290), (9280, 28381), (11240, 23432), (11716, 22480), (14645, 17984), (16160, 16298)]