128516460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2141941}}^1$

素因数の和:2141953

約数の個数: 24

約数和(自身を含む): 359846256

約数和(自身を除く): 231329796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2141941, 4283882, 6425823, 8567764, 10709705, 12851646, 21419410, 25703292, 32129115, 42838820, 64258230, 128516460]

約数ペア:

[(1, 128516460), (2, 64258230), (3, 42838820), (4, 32129115), (5, 25703292), (6, 21419410), (10, 12851646), (12, 10709705), (15, 8567764), (20, 6425823), (30, 4283882), (60, 2141941)]