256163376

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{15559}}^1$

素因数の和:15591

約数の個数: 80

約数和(自身を含む): 771776000

約数和(自身を除く): 515612624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 5488, 8232, 15559, 16464, 31118, 46677, 62236, 93354, 108913, 124472, 186708, 217826, 248944, 326739, 373416, 435652, 653478, 746832, 762391, 871304, 1306956, 1524782, 1742608, 2287173, 2613912, 3049564, 4574346, 5227824, 5336737, 6099128, 9148692, 10673474, 12198256, 16010211, 18297384, 21346948, 32020422, 36594768, 42693896, 64040844, 85387792, 128081688, 256163376]

約数ペア:

[(1, 256163376), (2, 128081688), (3, 85387792), (4, 64040844), (6, 42693896), (7, 36594768), (8, 32020422), (12, 21346948), (14, 18297384), (16, 16010211), (21, 12198256), (24, 10673474), (28, 9148692), (42, 6099128), (48, 5336737), (49, 5227824), (56, 4574346), (84, 3049564), (98, 2613912), (112, 2287173), (147, 1742608), (168, 1524782), (196, 1306956), (294, 871304), (336, 762391), (343, 746832), (392, 653478), (588, 435652), (686, 373416), (784, 326739), (1029, 248944), (1176, 217826), (1372, 186708), (2058, 124472), (2352, 108913), (2744, 93354), (4116, 62236), (5488, 46677), (8232, 31118), (15559, 16464)]