12790980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23687}}^1$

素因数の和:23705

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 27004860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23687, 47374, 71061, 94748, 118435, 142122, 213183, 236870, 284244, 355305, 426366, 473740, 639549, 710610, 852732, 1065915, 1279098, 1421220, 2131830, 2558196, 3197745, 4263660, 6395490, 12790980]

約数ペア:

[(1, 12790980), (2, 6395490), (3, 4263660), (4, 3197745), (5, 2558196), (6, 2131830), (9, 1421220), (10, 1279098), (12, 1065915), (15, 852732), (18, 710610), (20, 639549), (27, 473740), (30, 426366), (36, 355305), (45, 284244), (54, 236870), (60, 213183), (90, 142122), (108, 118435), (135, 94748), (180, 71061), (270, 47374), (540, 23687)]