205514520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1712621}}^1$

素因数の和:1712635

約数の個数: 32

約数和(自身を含む): 616543920

約数和(自身を除く): 411029400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1712621, 3425242, 5137863, 6850484, 8563105, 10275726, 13700968, 17126210, 20551452, 25689315, 34252420, 41102904, 51378630, 68504840, 102757260, 205514520]

約数ペア:

[(1, 205514520), (2, 102757260), (3, 68504840), (4, 51378630), (5, 41102904), (6, 34252420), (8, 25689315), (10, 20551452), (12, 17126210), (15, 13700968), (20, 10275726), (24, 8563105), (30, 6850484), (40, 5137863), (60, 3425242), (120, 1712621)]