31485000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{2099}}^1$

素因数の和:2128

約数の個数: 80

約数和(自身を含む): 98406000

約数和(自身を除く): 66921000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2099, 2500, 3000, 3750, 4198, 5000, 6297, 7500, 8396, 10495, 12594, 15000, 16792, 20990, 25188, 31485, 41980, 50376, 52475, 62970, 83960, 104950, 125940, 157425, 209900, 251880, 262375, 314850, 419800, 524750, 629700, 787125, 1049500, 1259400, 1311875, 1574250, 2099000, 2623750, 3148500, 3935625, 5247500, 6297000, 7871250, 10495000, 15742500, 31485000]

約数ペア:

[(1, 31485000), (2, 15742500), (3, 10495000), (4, 7871250), (5, 6297000), (6, 5247500), (8, 3935625), (10, 3148500), (12, 2623750), (15, 2099000), (20, 1574250), (24, 1311875), (25, 1259400), (30, 1049500), (40, 787125), (50, 629700), (60, 524750), (75, 419800), (100, 314850), (120, 262375), (125, 251880), (150, 209900), (200, 157425), (250, 125940), (300, 104950), (375, 83960), (500, 62970), (600, 52475), (625, 50376), (750, 41980), (1000, 31485), (1250, 25188), (1500, 20990), (1875, 16792), (2099, 15000), (2500, 12594), (3000, 10495), (3750, 8396), (4198, 7500), (5000, 6297)]