40500

素因数分解:

$2^2\times 3^4\times 5^3$

素因数の和:31

約数の個数: 60

約数和(自身を含む): 132132

約数和(自身を除く): 91632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 2025, 2250, 2700, 3375, 4050, 4500, 6750, 8100, 10125, 13500, 20250, 40500]

約数ペア:

[(1, 40500), (2, 20250), (3, 13500), (4, 10125), (5, 8100), (6, 6750), (9, 4500), (10, 4050), (12, 3375), (15, 2700), (18, 2250), (20, 2025), (25, 1620), (27, 1500), (30, 1350), (36, 1125), (45, 900), (50, 810), (54, 750), (60, 675), (75, 540), (81, 500), (90, 450), (100, 405), (108, 375), (125, 324), (135, 300), (150, 270), (162, 250), (180, 225)]