81988860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1366481}}^1$

素因数の和:1366493

約数の個数: 24

約数和(自身を含む): 229568976

約数和(自身を除く): 147580116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1366481, 2732962, 4099443, 5465924, 6832405, 8198886, 13664810, 16397772, 20497215, 27329620, 40994430, 81988860]

約数ペア:

[(1, 81988860), (2, 40994430), (3, 27329620), (4, 20497215), (5, 16397772), (6, 13664810), (10, 8198886), (12, 6832405), (15, 5465924), (20, 4099443), (30, 2732962), (60, 1366481)]