220195980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1223311}}^1$

素因数の和:1223326

約数の個数: 36

約数和(自身を含む): 667928352

約数和(自身を除く): 447732372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1223311, 2446622, 3669933, 4893244, 6116555, 7339866, 11009799, 12233110, 14679732, 18349665, 22019598, 24466220, 36699330, 44039196, 55048995, 73398660, 110097990, 220195980]

約数ペア:

[(1, 220195980), (2, 110097990), (3, 73398660), (4, 55048995), (5, 44039196), (6, 36699330), (9, 24466220), (10, 22019598), (12, 18349665), (15, 14679732), (18, 12233110), (20, 11009799), (30, 7339866), (36, 6116555), (45, 4893244), (60, 3669933), (90, 2446622), (180, 1223311)]