775980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{479}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 2439360

約数和(自身を除く): 1663380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 479, 540, 810, 958, 1437, 1620, 1916, 2395, 2874, 4311, 4790, 5748, 7185, 8622, 9580, 12933, 14370, 17244, 21555, 25866, 28740, 38799, 43110, 51732, 64665, 77598, 86220, 129330, 155196, 193995, 258660, 387990, 775980]

約数ペア:

[(1, 775980), (2, 387990), (3, 258660), (4, 193995), (5, 155196), (6, 129330), (9, 86220), (10, 77598), (12, 64665), (15, 51732), (18, 43110), (20, 38799), (27, 28740), (30, 25866), (36, 21555), (45, 17244), (54, 14370), (60, 12933), (81, 9580), (90, 8622), (108, 7185), (135, 5748), (162, 4790), (180, 4311), (270, 2874), (324, 2395), (405, 1916), (479, 1620), (540, 1437), (810, 958)]