31491000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{3499}}^1$

素因数の和:3526

約数の個数: 96

約数和(自身を含む): 106470000

約数和(自身を除く): 74979000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 3499, 4500, 6998, 9000, 10497, 13996, 17495, 20994, 27992, 31491, 34990, 41988, 52485, 62982, 69980, 83976, 87475, 104970, 125964, 139960, 157455, 174950, 209940, 251928, 262425, 314910, 349900, 419880, 437375, 524850, 629820, 699800, 787275, 874750, 1049700, 1259640, 1312125, 1574550, 1749500, 2099400, 2624250, 3149100, 3499000, 3936375, 5248500, 6298200, 7872750, 10497000, 15745500, 31491000]

約数ペア:

[(1, 31491000), (2, 15745500), (3, 10497000), (4, 7872750), (5, 6298200), (6, 5248500), (8, 3936375), (9, 3499000), (10, 3149100), (12, 2624250), (15, 2099400), (18, 1749500), (20, 1574550), (24, 1312125), (25, 1259640), (30, 1049700), (36, 874750), (40, 787275), (45, 699800), (50, 629820), (60, 524850), (72, 437375), (75, 419880), (90, 349900), (100, 314910), (120, 262425), (125, 251928), (150, 209940), (180, 174950), (200, 157455), (225, 139960), (250, 125964), (300, 104970), (360, 87475), (375, 83976), (450, 69980), (500, 62982), (600, 52485), (750, 41988), (900, 34990), (1000, 31491), (1125, 27992), (1500, 20994), (1800, 17495), (2250, 13996), (3000, 10497), (3499, 9000), (4500, 6998)]