72000

素因数分解:

$2^6\times 3^2\times 5^3$

素因数の和:33

約数の個数: 84

約数和(自身を含む): 257556

約数和(自身を除く): 185556

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 192, 200, 225, 240, 250, 288, 300, 320, 360, 375, 400, 450, 480, 500, 576, 600, 720, 750, 800, 900, 960, 1000, 1125, 1200, 1440, 1500, 1600, 1800, 2000, 2250, 2400, 2880, 3000, 3600, 4000, 4500, 4800, 6000, 7200, 8000, 9000, 12000, 14400, 18000, 24000, 36000, 72000]

約数ペア:

[(1, 72000), (2, 36000), (3, 24000), (4, 18000), (5, 14400), (6, 12000), (8, 9000), (9, 8000), (10, 7200), (12, 6000), (15, 4800), (16, 4500), (18, 4000), (20, 3600), (24, 3000), (25, 2880), (30, 2400), (32, 2250), (36, 2000), (40, 1800), (45, 1600), (48, 1500), (50, 1440), (60, 1200), (64, 1125), (72, 1000), (75, 960), (80, 900), (90, 800), (96, 750), (100, 720), (120, 600), (125, 576), (144, 500), (150, 480), (160, 450), (180, 400), (192, 375), (200, 360), (225, 320), (240, 300), (250, 288)]