78000900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{260003}}^1$

素因数の和:260020

約数の個数: 36

約数和(自身を含む): 225683472

約数和(自身を除く): 147682572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 260003, 520006, 780009, 1040012, 1300015, 1560018, 2600030, 3120036, 3900045, 5200060, 6500075, 7800090, 13000150, 15600180, 19500225, 26000300, 39000450, 78000900]

約数ペア:

[(1, 78000900), (2, 39000450), (3, 26000300), (4, 19500225), (5, 15600180), (6, 13000150), (10, 7800090), (12, 6500075), (15, 5200060), (20, 3900045), (25, 3120036), (30, 2600030), (50, 1560018), (60, 1300015), (75, 1040012), (100, 780009), (150, 520006), (300, 260003)]