61281260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{180239}}^1$

素因数の和:180265

約数の個数: 24

約数和(自身を含む): 136261440

約数和(自身を除く): 74980180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 180239, 360478, 720956, 901195, 1802390, 3064063, 3604780, 6128126, 12256252, 15320315, 30640630, 61281260]

約数ペア:

[(1, 61281260), (2, 30640630), (4, 15320315), (5, 12256252), (10, 6128126), (17, 3604780), (20, 3064063), (34, 1802390), (68, 901195), (85, 720956), (170, 360478), (340, 180239)]