128245500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{28499}}^1$

素因数の和:28524

約数の個数: 72

約数和(自身を含む): 404586000

約数和(自身を除く): 276340500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 28499, 56998, 85497, 113996, 142495, 170994, 256491, 284990, 341988, 427485, 512982, 569980, 712475, 854970, 1025964, 1282455, 1424950, 1709940, 2137425, 2564910, 2849900, 3562375, 4274850, 5129820, 6412275, 7124750, 8549700, 10687125, 12824550, 14249500, 21374250, 25649100, 32061375, 42748500, 64122750, 128245500]

約数ペア:

[(1, 128245500), (2, 64122750), (3, 42748500), (4, 32061375), (5, 25649100), (6, 21374250), (9, 14249500), (10, 12824550), (12, 10687125), (15, 8549700), (18, 7124750), (20, 6412275), (25, 5129820), (30, 4274850), (36, 3562375), (45, 2849900), (50, 2564910), (60, 2137425), (75, 1709940), (90, 1424950), (100, 1282455), (125, 1025964), (150, 854970), (180, 712475), (225, 569980), (250, 512982), (300, 427485), (375, 341988), (450, 284990), (500, 256491), (750, 170994), (900, 142495), (1125, 113996), (1500, 85497), (2250, 56998), (4500, 28499)]