128538688620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2142311477}}^1$

素因数の和:2142311489

約数の個数: 24

約数和(自身を含む): 359908328304

約数和(自身を除く): 231369639684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2142311477, 4284622954, 6426934431, 8569245908, 10711557385, 12853868862, 21423114770, 25707737724, 32134672155, 42846229540, 64269344310, 128538688620]

約数ペア:

[(1, 128538688620), (2, 64269344310), (3, 42846229540), (4, 32134672155), (5, 25707737724), (6, 21423114770), (10, 12853868862), (12, 10711557385), (15, 8569245908), (20, 6426934431), (30, 4284622954), (60, 2142311477)]