1200900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{4003}}^1$

素因数の和:4020

約数の個数: 36

約数和(自身を含む): 3475472

約数和(自身を除く): 2274572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 4003, 8006, 12009, 16012, 20015, 24018, 40030, 48036, 60045, 80060, 100075, 120090, 200150, 240180, 300225, 400300, 600450, 1200900]

約数ペア:

[(1, 1200900), (2, 600450), (3, 400300), (4, 300225), (5, 240180), (6, 200150), (10, 120090), (12, 100075), (15, 80060), (20, 60045), (25, 48036), (30, 40030), (50, 24018), (60, 20015), (75, 16012), (100, 12009), (150, 8006), (300, 4003)]