72018000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{4001}}^1$

素因数の和:4030

約数の個数: 120

約数和(自身を含む): 251597736

約数和(自身を除く): 179579736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1125, 1200, 1500, 1800, 2000, 2250, 3000, 3600, 4001, 4500, 6000, 8002, 9000, 12003, 16004, 18000, 20005, 24006, 32008, 36009, 40010, 48012, 60015, 64016, 72018, 80020, 96024, 100025, 120030, 144036, 160040, 180045, 192048, 200050, 240060, 288072, 300075, 320080, 360090, 400100, 480120, 500125, 576144, 600150, 720180, 800200, 900225, 960240, 1000250, 1200300, 1440360, 1500375, 1600400, 1800450, 2000500, 2400600, 2880720, 3000750, 3600900, 4001000, 4501125, 4801200, 6001500, 7201800, 8002000, 9002250, 12003000, 14403600, 18004500, 24006000, 36009000, 72018000]

約数ペア:

[(1, 72018000), (2, 36009000), (3, 24006000), (4, 18004500), (5, 14403600), (6, 12003000), (8, 9002250), (9, 8002000), (10, 7201800), (12, 6001500), (15, 4801200), (16, 4501125), (18, 4001000), (20, 3600900), (24, 3000750), (25, 2880720), (30, 2400600), (36, 2000500), (40, 1800450), (45, 1600400), (48, 1500375), (50, 1440360), (60, 1200300), (72, 1000250), (75, 960240), (80, 900225), (90, 800200), (100, 720180), (120, 600150), (125, 576144), (144, 500125), (150, 480120), (180, 400100), (200, 360090), (225, 320080), (240, 300075), (250, 288072), (300, 240060), (360, 200050), (375, 192048), (400, 180045), (450, 160040), (500, 144036), (600, 120030), (720, 100025), (750, 96024), (900, 80020), (1000, 72018), (1125, 64016), (1200, 60015), (1500, 48012), (1800, 40010), (2000, 36009), (2250, 32008), (3000, 24006), (3600, 20005), (4001, 18000), (4500, 16004), (6000, 12003), (8002, 9000)]