12999780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72221}}^1$

素因数の和:72236

約数の個数: 36

約数和(自身を含む): 39433212

約数和(自身を除く): 26433432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72221, 144442, 216663, 288884, 361105, 433326, 649989, 722210, 866652, 1083315, 1299978, 1444420, 2166630, 2599956, 3249945, 4333260, 6499890, 12999780]

約数ペア:

[(1, 12999780), (2, 6499890), (3, 4333260), (4, 3249945), (5, 2599956), (6, 2166630), (9, 1444420), (10, 1299978), (12, 1083315), (15, 866652), (18, 722210), (20, 649989), (30, 433326), (36, 361105), (45, 288884), (60, 216663), (90, 144442), (180, 72221)]