454870720

素因数分解:

$2^6\times 5^1\times {\mathrm{1421471}}^1$

素因数の和:1421488

約数の個数: 28

約数和(自身を含む): 1083161664

約数和(自身を除く): 628290944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1421471, 2842942, 5685884, 7107355, 11371768, 14214710, 22743536, 28429420, 45487072, 56858840, 90974144, 113717680, 227435360, 454870720]

約数ペア:

[(1, 454870720), (2, 227435360), (4, 113717680), (5, 90974144), (8, 56858840), (10, 45487072), (16, 28429420), (20, 22743536), (32, 14214710), (40, 11371768), (64, 7107355), (80, 5685884), (160, 2842942), (320, 1421471)]