7920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1$

素因数の和:30

約数の個数: 60

約数和(自身を含む): 29016

約数和(自身を除く): 21096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920]

約数ペア:

[(1, 7920), (2, 3960), (3, 2640), (4, 1980), (5, 1584), (6, 1320), (8, 990), (9, 880), (10, 792), (11, 720), (12, 660), (15, 528), (16, 495), (18, 440), (20, 396), (22, 360), (24, 330), (30, 264), (33, 240), (36, 220), (40, 198), (44, 180), (45, 176), (48, 165), (55, 144), (60, 132), (66, 120), (72, 110), (80, 99), (88, 90)]