21885000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1459}}^1$

素因数の和:1488

約数の個数: 80

約数和(自身を含む): 68415600

約数和(自身を除く): 46530600

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, 1459, 1500, 1875, 2500, 2918, 3000, 3750, 4377, 5000, 5836, 7295, 7500, 8754, 11672, 14590, 15000, 17508, 21885, 29180, 35016, 36475, 43770, 58360, 72950, 87540, 109425, 145900, 175080, 182375, 218850, 291800, 364750, 437700, 547125, 729500, 875400, 911875, 1094250, 1459000, 1823750, 2188500, 2735625, 3647500, 4377000, 5471250, 7295000, 10942500, 21885000]

約数ペア:

[(1, 21885000), (2, 10942500), (3, 7295000), (4, 5471250), (5, 4377000), (6, 3647500), (8, 2735625), (10, 2188500), (12, 1823750), (15, 1459000), (20, 1094250), (24, 911875), (25, 875400), (30, 729500), (40, 547125), (50, 437700), (60, 364750), (75, 291800), (100, 218850), (120, 182375), (125, 175080), (150, 145900), (200, 109425), (250, 87540), (300, 72950), (375, 58360), (500, 43770), (600, 36475), (625, 35016), (750, 29180), (1000, 21885), (1250, 17508), (1459, 15000), (1500, 14590), (1875, 11672), (2500, 8754), (2918, 7500), (3000, 7295), (3750, 5836), (4377, 5000)]