720297280

素因数分解:

$2^6\times 5^1\times {\mathrm{2250929}}^1$

素因数の和:2250946

約数の個数: 28

約数和(自身を含む): 1715208660

約数和(自身を除く): 994911380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2250929, 4501858, 9003716, 11254645, 18007432, 22509290, 36014864, 45018580, 72029728, 90037160, 144059456, 180074320, 360148640, 720297280]

約数ペア:

[(1, 720297280), (2, 360148640), (4, 180074320), (5, 144059456), (8, 90037160), (10, 72029728), (16, 45018580), (20, 36014864), (32, 22509290), (40, 18007432), (64, 11254645), (80, 9003716), (160, 4501858), (320, 2250929)]