16571580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 46757760

約数和(自身を除く): 30186180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1987, 2085, 2780, 3974, 4170, 5961, 7948, 8340, 9935, 11922, 19870, 23844, 29805, 39740, 59610, 119220, 276193, 552386, 828579, 1104772, 1380965, 1657158, 2761930, 3314316, 4142895, 5523860, 8285790, 16571580]

約数ペア:

[(1, 16571580), (2, 8285790), (3, 5523860), (4, 4142895), (5, 3314316), (6, 2761930), (10, 1657158), (12, 1380965), (15, 1104772), (20, 828579), (30, 552386), (60, 276193), (139, 119220), (278, 59610), (417, 39740), (556, 29805), (695, 23844), (834, 19870), (1390, 11922), (1668, 9935), (1987, 8340), (2085, 7948), (2780, 5961), (3974, 4170)]