81042900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{270143}}^1$

素因数の和:270160

約数の個数: 36

約数和(自身を含む): 234484992

約数和(自身を除く): 153442092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 270143, 540286, 810429, 1080572, 1350715, 1620858, 2701430, 3241716, 4052145, 5402860, 6753575, 8104290, 13507150, 16208580, 20260725, 27014300, 40521450, 81042900]

約数ペア:

[(1, 81042900), (2, 40521450), (3, 27014300), (4, 20260725), (5, 16208580), (6, 13507150), (10, 8104290), (12, 6753575), (15, 5402860), (20, 4052145), (25, 3241716), (30, 2701430), (50, 1620858), (60, 1350715), (75, 1080572), (100, 810429), (150, 540286), (300, 270143)]