30413920

素因数分解:

$2^5\times 5^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 72182880

約数和(自身を除く): 41768960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 433, 439, 866, 878, 1732, 1756, 2165, 2195, 3464, 3512, 4330, 4390, 6928, 7024, 8660, 8780, 13856, 14048, 17320, 17560, 34640, 35120, 69280, 70240, 190087, 380174, 760348, 950435, 1520696, 1900870, 3041392, 3801740, 6082784, 7603480, 15206960, 30413920]

約数ペア:

[(1, 30413920), (2, 15206960), (4, 7603480), (5, 6082784), (8, 3801740), (10, 3041392), (16, 1900870), (20, 1520696), (32, 950435), (40, 760348), (80, 380174), (160, 190087), (433, 70240), (439, 69280), (866, 35120), (878, 34640), (1732, 17560), (1756, 17320), (2165, 14048), (2195, 13856), (3464, 8780), (3512, 8660), (4330, 7024), (4390, 6928)]