163980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{911}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 497952

約数和(自身を除く): 333972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 911, 1822, 2733, 3644, 4555, 5466, 8199, 9110, 10932, 13665, 16398, 18220, 27330, 32796, 40995, 54660, 81990, 163980]

約数ペア:

[(1, 163980), (2, 81990), (3, 54660), (4, 40995), (5, 32796), (6, 27330), (9, 18220), (10, 16398), (12, 13665), (15, 10932), (18, 9110), (20, 8199), (30, 5466), (36, 4555), (45, 3644), (60, 2733), (90, 1822), (180, 911)]