390319980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6505333}}^1$

素因数の和:6505345

約数の個数: 24

約数和(自身を含む): 1092896112

約数和(自身を除く): 702576132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6505333, 13010666, 19515999, 26021332, 32526665, 39031998, 65053330, 78063996, 97579995, 130106660, 195159990, 390319980]

約数ペア:

[(1, 390319980), (2, 195159990), (3, 130106660), (4, 97579995), (5, 78063996), (6, 65053330), (10, 39031998), (12, 32526665), (15, 26021332), (20, 19515999), (30, 13010666), (60, 6505333)]