80640675

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4027}}^1$

素因数の和:4132

約数の個数: 36

約数和(自身を含む): 146095560

約数和(自身を除く): 65454885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 2225, 4005, 4027, 6675, 12081, 20025, 20135, 36243, 60405, 100675, 181215, 302025, 358403, 906075, 1075209, 1792015, 3225627, 5376045, 8960075, 16128135, 26880225, 80640675]

約数ペア:

[(1, 80640675), (3, 26880225), (5, 16128135), (9, 8960075), (15, 5376045), (25, 3225627), (45, 1792015), (75, 1075209), (89, 906075), (225, 358403), (267, 302025), (445, 181215), (801, 100675), (1335, 60405), (2225, 36243), (4005, 20135), (4027, 20025), (6675, 12081)]