90291520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:368

約数の個数: 112

約数和(自身を含む): 237670848

約数和(自身を除く): 147379328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 113, 160, 176, 220, 226, 227, 320, 352, 440, 452, 454, 565, 704, 880, 904, 908, 1130, 1135, 1243, 1760, 1808, 1816, 2260, 2270, 2486, 2497, 3520, 3616, 3632, 4520, 4540, 4972, 4994, 6215, 7232, 7264, 9040, 9080, 9944, 9988, 12430, 12485, 14528, 18080, 18160, 19888, 19976, 24860, 24970, 25651, 36160, 36320, 39776, 39952, 49720, 49940, 51302, 72640, 79552, 79904, 99440, 99880, 102604, 128255, 159808, 198880, 199760, 205208, 256510, 282161, 397760, 399520, 410416, 513020, 564322, 799040, 820832, 1026040, 1128644, 1410805, 1641664, 2052080, 2257288, 2821610, 4104160, 4514576, 5643220, 8208320, 9029152, 11286440, 18058304, 22572880, 45145760, 90291520]

約数ペア:

[(1, 90291520), (2, 45145760), (4, 22572880), (5, 18058304), (8, 11286440), (10, 9029152), (11, 8208320), (16, 5643220), (20, 4514576), (22, 4104160), (32, 2821610), (40, 2257288), (44, 2052080), (55, 1641664), (64, 1410805), (80, 1128644), (88, 1026040), (110, 820832), (113, 799040), (160, 564322), (176, 513020), (220, 410416), (226, 399520), (227, 397760), (320, 282161), (352, 256510), (440, 205208), (452, 199760), (454, 198880), (565, 159808), (704, 128255), (880, 102604), (904, 99880), (908, 99440), (1130, 79904), (1135, 79552), (1243, 72640), (1760, 51302), (1808, 49940), (1816, 49720), (2260, 39952), (2270, 39776), (2486, 36320), (2497, 36160), (3520, 25651), (3616, 24970), (3632, 24860), (4520, 19976), (4540, 19888), (4972, 18160), (4994, 18080), (6215, 14528), (7232, 12485), (7264, 12430), (9040, 9988), (9080, 9944)]