515281480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{1693}}^1$

素因数の和:2798

約数の個数: 64

約数和(自身を含む): 1327011840

約数和(自身を除く): 811730360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1087, 1693, 2174, 3386, 4348, 5435, 6772, 7609, 8465, 8696, 10870, 11851, 13544, 15218, 16930, 21740, 23702, 30436, 33860, 38045, 43480, 47404, 59255, 60872, 67720, 76090, 94808, 118510, 152180, 237020, 304360, 474040, 1840291, 3680582, 7361164, 9201455, 12882037, 14722328, 18402910, 25764074, 36805820, 51528148, 64410185, 73611640, 103056296, 128820370, 257640740, 515281480]

約数ペア:

[(1, 515281480), (2, 257640740), (4, 128820370), (5, 103056296), (7, 73611640), (8, 64410185), (10, 51528148), (14, 36805820), (20, 25764074), (28, 18402910), (35, 14722328), (40, 12882037), (56, 9201455), (70, 7361164), (140, 3680582), (280, 1840291), (1087, 474040), (1693, 304360), (2174, 237020), (3386, 152180), (4348, 118510), (5435, 94808), (6772, 76090), (7609, 67720), (8465, 60872), (8696, 59255), (10870, 47404), (11851, 43480), (13544, 38045), (15218, 33860), (16930, 30436), (21740, 23702)]