321807080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4241}}^1$

素因数の和:4530

約数の個数: 64

約数和(自身を含む): 830753280

約数和(自身を除く): 508946200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2710, 3794, 4241, 5420, 7588, 8482, 9485, 10840, 15176, 16964, 18970, 21205, 29687, 33928, 37940, 42410, 59374, 75880, 84820, 118748, 148435, 169640, 237496, 296870, 593740, 1149311, 1187480, 2298622, 4597244, 5746555, 8045177, 9194488, 11493110, 16090354, 22986220, 32180708, 40225885, 45972440, 64361416, 80451770, 160903540, 321807080]

約数ペア:

[(1, 321807080), (2, 160903540), (4, 80451770), (5, 64361416), (7, 45972440), (8, 40225885), (10, 32180708), (14, 22986220), (20, 16090354), (28, 11493110), (35, 9194488), (40, 8045177), (56, 5746555), (70, 4597244), (140, 2298622), (271, 1187480), (280, 1149311), (542, 593740), (1084, 296870), (1355, 237496), (1897, 169640), (2168, 148435), (2710, 118748), (3794, 84820), (4241, 75880), (5420, 59374), (7588, 42410), (8482, 37940), (9485, 33928), (10840, 29687), (15176, 21205), (16964, 18970)]