153142720

素因数分解:

$2^6\times 5^1\times {\mathrm{478571}}^1$

素因数の和:478588

約数の個数: 28

約数和(自身を含む): 364671864

約数和(自身を除く): 211529144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 478571, 957142, 1914284, 2392855, 3828568, 4785710, 7657136, 9571420, 15314272, 19142840, 30628544, 38285680, 76571360, 153142720]

約数ペア:

[(1, 153142720), (2, 76571360), (4, 38285680), (5, 30628544), (8, 19142840), (10, 15314272), (16, 9571420), (20, 7657136), (32, 4785710), (40, 3828568), (64, 2392855), (80, 1914284), (160, 957142), (320, 478571)]