4080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1$

素因数の和:33

約数の個数: 40

約数和(自身を含む): 13392

約数和(自身を除く): 9312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080]

約数ペア:

[(1, 4080), (2, 2040), (3, 1360), (4, 1020), (5, 816), (6, 680), (8, 510), (10, 408), (12, 340), (15, 272), (16, 255), (17, 240), (20, 204), (24, 170), (30, 136), (34, 120), (40, 102), (48, 85), (51, 80), (60, 68)]