205755552

素因数分解:

$2^5\times 3^4\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:672

約数の個数: 120

約数和(自身を含む): 610083936

約数和(自身を除く): 404328384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 163, 216, 288, 324, 326, 432, 487, 489, 648, 652, 864, 974, 978, 1296, 1304, 1461, 1467, 1948, 1956, 2592, 2608, 2922, 2934, 3896, 3912, 4383, 4401, 5216, 5844, 5868, 7792, 7824, 8766, 8802, 11688, 11736, 13149, 13203, 15584, 15648, 17532, 17604, 23376, 23472, 26298, 26406, 35064, 35208, 39447, 46752, 46944, 52596, 52812, 70128, 70416, 78894, 79381, 105192, 105624, 140256, 140832, 157788, 158762, 210384, 211248, 238143, 315576, 317524, 420768, 422496, 476286, 631152, 635048, 714429, 952572, 1262304, 1270096, 1428858, 1905144, 2143287, 2540192, 2857716, 3810288, 4286574, 5715432, 6429861, 7620576, 8573148, 11430864, 12859722, 17146296, 22861728, 25719444, 34292592, 51438888, 68585184, 102877776, 205755552]

約数ペア:

[(1, 205755552), (2, 102877776), (3, 68585184), (4, 51438888), (6, 34292592), (8, 25719444), (9, 22861728), (12, 17146296), (16, 12859722), (18, 11430864), (24, 8573148), (27, 7620576), (32, 6429861), (36, 5715432), (48, 4286574), (54, 3810288), (72, 2857716), (81, 2540192), (96, 2143287), (108, 1905144), (144, 1428858), (162, 1270096), (163, 1262304), (216, 952572), (288, 714429), (324, 635048), (326, 631152), (432, 476286), (487, 422496), (489, 420768), (648, 317524), (652, 315576), (864, 238143), (974, 211248), (978, 210384), (1296, 158762), (1304, 157788), (1461, 140832), (1467, 140256), (1948, 105624), (1956, 105192), (2592, 79381), (2608, 78894), (2922, 70416), (2934, 70128), (3896, 52812), (3912, 52596), (4383, 46944), (4401, 46752), (5216, 39447), (5844, 35208), (5868, 35064), (7792, 26406), (7824, 26298), (8766, 23472), (8802, 23376), (11688, 17604), (11736, 17532), (13149, 15648), (13203, 15584)]