147666560

素因数分解:

$2^7\times 5^1\times {\mathrm{230729}}^1$

素因数の和:230748

約数の個数: 32

約数和(自身を含む): 353016900

約数和(自身を除く): 205350340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 230729, 461458, 922916, 1153645, 1845832, 2307290, 3691664, 4614580, 7383328, 9229160, 14766656, 18458320, 29533312, 36916640, 73833280, 147666560]

約数ペア:

[(1, 147666560), (2, 73833280), (4, 36916640), (5, 29533312), (8, 18458320), (10, 14766656), (16, 9229160), (20, 7383328), (32, 4614580), (40, 3691664), (64, 2307290), (80, 1845832), (128, 1153645), (160, 922916), (320, 461458), (640, 230729)]