21540000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{359}}^1$

素因数の和:392

約数の個数: 120

約数和(自身を含む): 70852320

約数和(自身を除く): 49312320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 359, 375, 400, 480, 500, 600, 625, 718, 750, 800, 1000, 1077, 1200, 1250, 1436, 1500, 1795, 1875, 2000, 2154, 2400, 2500, 2872, 3000, 3590, 3750, 4000, 4308, 5000, 5385, 5744, 6000, 7180, 7500, 8616, 8975, 10000, 10770, 11488, 12000, 14360, 15000, 17232, 17950, 20000, 21540, 26925, 28720, 30000, 34464, 35900, 43080, 44875, 53850, 57440, 60000, 71800, 86160, 89750, 107700, 134625, 143600, 172320, 179500, 215400, 224375, 269250, 287200, 359000, 430800, 448750, 538500, 673125, 718000, 861600, 897500, 1077000, 1346250, 1436000, 1795000, 2154000, 2692500, 3590000, 4308000, 5385000, 7180000, 10770000, 21540000]

約数ペア:

[(1, 21540000), (2, 10770000), (3, 7180000), (4, 5385000), (5, 4308000), (6, 3590000), (8, 2692500), (10, 2154000), (12, 1795000), (15, 1436000), (16, 1346250), (20, 1077000), (24, 897500), (25, 861600), (30, 718000), (32, 673125), (40, 538500), (48, 448750), (50, 430800), (60, 359000), (75, 287200), (80, 269250), (96, 224375), (100, 215400), (120, 179500), (125, 172320), (150, 143600), (160, 134625), (200, 107700), (240, 89750), (250, 86160), (300, 71800), (359, 60000), (375, 57440), (400, 53850), (480, 44875), (500, 43080), (600, 35900), (625, 34464), (718, 30000), (750, 28720), (800, 26925), (1000, 21540), (1077, 20000), (1200, 17950), (1250, 17232), (1436, 15000), (1500, 14360), (1795, 12000), (1875, 11488), (2000, 10770), (2154, 10000), (2400, 8975), (2500, 8616), (2872, 7500), (3000, 7180), (3590, 6000), (3750, 5744), (4000, 5385), (4308, 5000)]