180982720

素因数分解:

$2^6\times 5^1\times {\mathrm{565571}}^1$

素因数の和:565588

約数の個数: 28

約数和(自身を含む): 430965864

約数和(自身を除く): 249983144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 565571, 1131142, 2262284, 2827855, 4524568, 5655710, 9049136, 11311420, 18098272, 22622840, 36196544, 45245680, 90491360, 180982720]

約数ペア:

[(1, 180982720), (2, 90491360), (4, 45245680), (5, 36196544), (8, 22622840), (10, 18098272), (16, 11311420), (20, 9049136), (32, 5655710), (40, 4524568), (64, 2827855), (80, 2262284), (160, 1131142), (320, 565571)]