12420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1$

素因数の和:41

約数の個数: 48

約数和(自身を含む): 40320

約数和(自身を除く): 27900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 2070, 2484, 3105, 4140, 6210, 12420]

約数ペア:

[(1, 12420), (2, 6210), (3, 4140), (4, 3105), (5, 2484), (6, 2070), (9, 1380), (10, 1242), (12, 1035), (15, 828), (18, 690), (20, 621), (23, 540), (27, 460), (30, 414), (36, 345), (45, 276), (46, 270), (54, 230), (60, 207), (69, 180), (90, 138), (92, 135), (108, 115)]