8447220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{15643}}^1$

素因数の和:15661

約数の個数: 48

約数和(自身を含む): 26281920

約数和(自身を除く): 17834700

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, 15643, 31286, 46929, 62572, 78215, 93858, 140787, 156430, 187716, 234645, 281574, 312860, 422361, 469290, 563148, 703935, 844722, 938580, 1407870, 1689444, 2111805, 2815740, 4223610, 8447220]

約数ペア:

[(1, 8447220), (2, 4223610), (3, 2815740), (4, 2111805), (5, 1689444), (6, 1407870), (9, 938580), (10, 844722), (12, 703935), (15, 563148), (18, 469290), (20, 422361), (27, 312860), (30, 281574), (36, 234645), (45, 187716), (54, 156430), (60, 140787), (90, 93858), (108, 78215), (135, 62572), (180, 46929), (270, 31286), (540, 15643)]