13750020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{25463}}^1$

素因数の和:25481

約数の個数: 48

約数和(自身を含む): 42779520

約数和(自身を除く): 29029500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 25463, 50926, 76389, 101852, 127315, 152778, 229167, 254630, 305556, 381945, 458334, 509260, 687501, 763890, 916668, 1145835, 1375002, 1527780, 2291670, 2750004, 3437505, 4583340, 6875010, 13750020]

約数ペア:

[(1, 13750020), (2, 6875010), (3, 4583340), (4, 3437505), (5, 2750004), (6, 2291670), (9, 1527780), (10, 1375002), (12, 1145835), (15, 916668), (18, 763890), (20, 687501), (27, 509260), (30, 458334), (36, 381945), (45, 305556), (54, 254630), (60, 229167), (90, 152778), (108, 127315), (135, 101852), (180, 76389), (270, 50926), (540, 25463)]