3180280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^3$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 7326000

約数和(自身を除く): 4145720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 3698, 7396, 9245, 14792, 18490, 36980, 73960, 79507, 159014, 318028, 397535, 636056, 795070, 1590140, 3180280]

約数ペア:

[(1, 3180280), (2, 1590140), (4, 795070), (5, 636056), (8, 397535), (10, 318028), (20, 159014), (40, 79507), (43, 73960), (86, 36980), (172, 18490), (215, 14792), (344, 9245), (430, 7396), (860, 3698), (1720, 1849)]