164896020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{305363}}^1$

素因数の和:305381

約数の個数: 48

約数和(自身を含む): 513011520

約数和(自身を除く): 348115500

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, 305363, 610726, 916089, 1221452, 1526815, 1832178, 2748267, 3053630, 3664356, 4580445, 5496534, 6107260, 8244801, 9160890, 10993068, 13741335, 16489602, 18321780, 27482670, 32979204, 41224005, 54965340, 82448010, 164896020]

約数ペア:

[(1, 164896020), (2, 82448010), (3, 54965340), (4, 41224005), (5, 32979204), (6, 27482670), (9, 18321780), (10, 16489602), (12, 13741335), (15, 10993068), (18, 9160890), (20, 8244801), (27, 6107260), (30, 5496534), (36, 4580445), (45, 3664356), (54, 3053630), (60, 2748267), (90, 1832178), (108, 1526815), (135, 1221452), (180, 916089), (270, 610726), (540, 305363)]