255000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{17}}^1$

素因数の和:46

約数の個数: 80

約数和(自身を含む): 843480

約数和(自身を除く): 588480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 255, 300, 340, 375, 408, 425, 500, 510, 600, 625, 680, 750, 850, 1000, 1020, 1250, 1275, 1500, 1700, 1875, 2040, 2125, 2500, 2550, 3000, 3400, 3750, 4250, 5000, 5100, 6375, 7500, 8500, 10200, 10625, 12750, 15000, 17000, 21250, 25500, 31875, 42500, 51000, 63750, 85000, 127500, 255000]

約数ペア:

[(1, 255000), (2, 127500), (3, 85000), (4, 63750), (5, 51000), (6, 42500), (8, 31875), (10, 25500), (12, 21250), (15, 17000), (17, 15000), (20, 12750), (24, 10625), (25, 10200), (30, 8500), (34, 7500), (40, 6375), (50, 5100), (51, 5000), (60, 4250), (68, 3750), (75, 3400), (85, 3000), (100, 2550), (102, 2500), (120, 2125), (125, 2040), (136, 1875), (150, 1700), (170, 1500), (200, 1275), (204, 1250), (250, 1020), (255, 1000), (300, 850), (340, 750), (375, 680), (408, 625), (425, 600), (500, 510)]