2163560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7727}}^1$

素因数の和:7745

約数の個数: 32

約数和(自身を含む): 5564160

約数和(自身を除く): 3400600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7727, 15454, 30908, 38635, 54089, 61816, 77270, 108178, 154540, 216356, 270445, 309080, 432712, 540890, 1081780, 2163560]

約数ペア:

[(1, 2163560), (2, 1081780), (4, 540890), (5, 432712), (7, 309080), (8, 270445), (10, 216356), (14, 154540), (20, 108178), (28, 77270), (35, 61816), (40, 54089), (56, 38635), (70, 30908), (140, 15454), (280, 7727)]