217941660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1210787}}^1$

素因数の和:1210802

約数の個数: 36

約数和(自身を含む): 661090248

約数和(自身を除く): 443148588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1210787, 2421574, 3632361, 4843148, 6053935, 7264722, 10897083, 12107870, 14529444, 18161805, 21794166, 24215740, 36323610, 43588332, 54485415, 72647220, 108970830, 217941660]

約数ペア:

[(1, 217941660), (2, 108970830), (3, 72647220), (4, 54485415), (5, 43588332), (6, 36323610), (9, 24215740), (10, 21794166), (12, 18161805), (15, 14529444), (18, 12107870), (20, 10897083), (30, 7264722), (36, 6053935), (45, 4843148), (60, 3632361), (90, 2421574), (180, 1210787)]