282780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1571}}^1$

素因数の和:1586

約数の個数: 36

約数和(自身を含む): 858312

約数和(自身を除く): 575532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1571, 3142, 4713, 6284, 7855, 9426, 14139, 15710, 18852, 23565, 28278, 31420, 47130, 56556, 70695, 94260, 141390, 282780]

約数ペア:

[(1, 282780), (2, 141390), (3, 94260), (4, 70695), (5, 56556), (6, 47130), (9, 31420), (10, 28278), (12, 23565), (15, 18852), (18, 15710), (20, 14139), (30, 9426), (36, 7855), (45, 6284), (60, 4713), (90, 3142), (180, 1571)]