80419980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1340333}}^1$

素因数の和:1340345

約数の個数: 24

約数和(自身を含む): 225176112

約数和(自身を除く): 144756132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1340333, 2680666, 4020999, 5361332, 6701665, 8041998, 13403330, 16083996, 20104995, 26806660, 40209990, 80419980]

約数ペア:

[(1, 80419980), (2, 40209990), (3, 26806660), (4, 20104995), (5, 16083996), (6, 13403330), (10, 8041998), (12, 6701665), (15, 5361332), (20, 4020999), (30, 2680666), (60, 1340333)]