1320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1$

素因数の和:25

約数の個数: 32

約数和(自身を含む): 4320

約数和(自身を除く): 3000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320]

約数ペア:

[(1, 1320), (2, 660), (3, 440), (4, 330), (5, 264), (6, 220), (8, 165), (10, 132), (11, 120), (12, 110), (15, 88), (20, 66), (22, 60), (24, 55), (30, 44), (33, 40)]