21675000

素因数分解:

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

素因数の和:68

約数の個数: 144

約数和(自身を含む): 71948520

約数和(自身を除く): 50273520

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, 289, 300, 340, 375, 408, 425, 500, 510, 578, 600, 625, 680, 750, 850, 867, 1000, 1020, 1156, 1250, 1275, 1445, 1500, 1700, 1734, 1875, 2040, 2125, 2312, 2500, 2550, 2890, 3000, 3125, 3400, 3468, 3750, 4250, 4335, 5000, 5100, 5780, 6250, 6375, 6936, 7225, 7500, 8500, 8670, 9375, 10200, 10625, 11560, 12500, 12750, 14450, 15000, 17000, 17340, 18750, 21250, 21675, 25000, 25500, 28900, 31875, 34680, 36125, 37500, 42500, 43350, 51000, 53125, 57800, 63750, 72250, 75000, 85000, 86700, 106250, 108375, 127500, 144500, 159375, 173400, 180625, 212500, 216750, 255000, 289000, 318750, 361250, 425000, 433500, 541875, 637500, 722500, 867000, 903125, 1083750, 1275000, 1445000, 1806250, 2167500, 2709375, 3612500, 4335000, 5418750, 7225000, 10837500, 21675000]

約数ペア:

[(1, 21675000), (2, 10837500), (3, 7225000), (4, 5418750), (5, 4335000), (6, 3612500), (8, 2709375), (10, 2167500), (12, 1806250), (15, 1445000), (17, 1275000), (20, 1083750), (24, 903125), (25, 867000), (30, 722500), (34, 637500), (40, 541875), (50, 433500), (51, 425000), (60, 361250), (68, 318750), (75, 289000), (85, 255000), (100, 216750), (102, 212500), (120, 180625), (125, 173400), (136, 159375), (150, 144500), (170, 127500), (200, 108375), (204, 106250), (250, 86700), (255, 85000), (289, 75000), (300, 72250), (340, 63750), (375, 57800), (408, 53125), (425, 51000), (500, 43350), (510, 42500), (578, 37500), (600, 36125), (625, 34680), (680, 31875), (750, 28900), (850, 25500), (867, 25000), (1000, 21675), (1020, 21250), (1156, 18750), (1250, 17340), (1275, 17000), (1445, 15000), (1500, 14450), (1700, 12750), (1734, 12500), (1875, 11560), (2040, 10625), (2125, 10200), (2312, 9375), (2500, 8670), (2550, 8500), (2890, 7500), (3000, 7225), (3125, 6936), (3400, 6375), (3468, 6250), (3750, 5780), (4250, 5100), (4335, 5000)]