55980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 170352

約数和(自身を除く): 114372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 3110, 3732, 4665, 5598, 6220, 9330, 11196, 13995, 18660, 27990, 55980]

約数ペア:

[(1, 55980), (2, 27990), (3, 18660), (4, 13995), (5, 11196), (6, 9330), (9, 6220), (10, 5598), (12, 4665), (15, 3732), (18, 3110), (20, 2799), (30, 1866), (36, 1555), (45, 1244), (60, 933), (90, 622), (180, 311)]