12900900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43003}}^1$

素因数の和:43020

約数の個数: 36

約数和(自身を含む): 37327472

約数和(自身を除く): 24426572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 43003, 86006, 129009, 172012, 215015, 258018, 430030, 516036, 645045, 860060, 1075075, 1290090, 2150150, 2580180, 3225225, 4300300, 6450450, 12900900]

約数ペア:

[(1, 12900900), (2, 6450450), (3, 4300300), (4, 3225225), (5, 2580180), (6, 2150150), (10, 1290090), (12, 1075075), (15, 860060), (20, 645045), (25, 516036), (30, 430030), (50, 258018), (60, 215015), (75, 172012), (100, 129009), (150, 86006), (300, 43003)]