638448420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10640807}}^1$

素因数の和:10640819

約数の個数: 24

約数和(自身を含む): 1787655744

約数和(自身を除く): 1149207324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10640807, 21281614, 31922421, 42563228, 53204035, 63844842, 106408070, 127689684, 159612105, 212816140, 319224210, 638448420]

約数ペア:

[(1, 638448420), (2, 319224210), (3, 212816140), (4, 159612105), (5, 127689684), (6, 106408070), (10, 63844842), (12, 53204035), (15, 42563228), (20, 31922421), (30, 21281614), (60, 10640807)]