45000

素因数分解:

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

素因数の和:32

約数の個数: 60

約数和(自身を含む): 152295

約数和(自身を除く): 107295

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 3000, 3750, 4500, 5000, 5625, 7500, 9000, 11250, 15000, 22500, 45000]

約数ペア:

[(1, 45000), (2, 22500), (3, 15000), (4, 11250), (5, 9000), (6, 7500), (8, 5625), (9, 5000), (10, 4500), (12, 3750), (15, 3000), (18, 2500), (20, 2250), (24, 1875), (25, 1800), (30, 1500), (36, 1250), (40, 1125), (45, 1000), (50, 900), (60, 750), (72, 625), (75, 600), (90, 500), (100, 450), (120, 375), (125, 360), (150, 300), (180, 250), (200, 225)]