54988020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{305489}}^1$

素因数の和:305504

約数の個数: 36

約数和(自身を含む): 166797540

約数和(自身を除く): 111809520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 305489, 610978, 916467, 1221956, 1527445, 1832934, 2749401, 3054890, 3665868, 4582335, 5498802, 6109780, 9164670, 10997604, 13747005, 18329340, 27494010, 54988020]

約数ペア:

[(1, 54988020), (2, 27494010), (3, 18329340), (4, 13747005), (5, 10997604), (6, 9164670), (9, 6109780), (10, 5498802), (12, 4582335), (15, 3665868), (18, 3054890), (20, 2749401), (30, 1832934), (36, 1527445), (45, 1221956), (60, 916467), (90, 610978), (180, 305489)]