180216

素因数分解:

$2^3\times 3^2\times {\mathrm{2503}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 488280

約数和(自身を除く): 308064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 2503, 5006, 7509, 10012, 15018, 20024, 22527, 30036, 45054, 60072, 90108, 180216]

約数ペア:

[(1, 180216), (2, 90108), (3, 60072), (4, 45054), (6, 30036), (8, 22527), (9, 20024), (12, 15018), (18, 10012), (24, 7509), (36, 5006), (72, 2503)]