231480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{643}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 753480

約数和(自身を除く): 522000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 643, 1286, 1929, 2572, 3215, 3858, 5144, 5787, 6430, 7716, 9645, 11574, 12860, 15432, 19290, 23148, 25720, 28935, 38580, 46296, 57870, 77160, 115740, 231480]

約数ペア:

[(1, 231480), (2, 115740), (3, 77160), (4, 57870), (5, 46296), (6, 38580), (8, 28935), (9, 25720), (10, 23148), (12, 19290), (15, 15432), (18, 12860), (20, 11574), (24, 9645), (30, 7716), (36, 6430), (40, 5787), (45, 5144), (60, 3858), (72, 3215), (90, 2572), (120, 1929), (180, 1286), (360, 643)]