66705000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{4447}}^1$

素因数の和:4476

約数の個数: 80

約数和(自身を含む): 208433280

約数和(自身を除く): 141728280

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, 1500, 1875, 2500, 3000, 3750, 4447, 5000, 7500, 8894, 13341, 15000, 17788, 22235, 26682, 35576, 44470, 53364, 66705, 88940, 106728, 111175, 133410, 177880, 222350, 266820, 333525, 444700, 533640, 555875, 667050, 889400, 1111750, 1334100, 1667625, 2223500, 2668200, 2779375, 3335250, 4447000, 5558750, 6670500, 8338125, 11117500, 13341000, 16676250, 22235000, 33352500, 66705000]

約数ペア:

[(1, 66705000), (2, 33352500), (3, 22235000), (4, 16676250), (5, 13341000), (6, 11117500), (8, 8338125), (10, 6670500), (12, 5558750), (15, 4447000), (20, 3335250), (24, 2779375), (25, 2668200), (30, 2223500), (40, 1667625), (50, 1334100), (60, 1111750), (75, 889400), (100, 667050), (120, 555875), (125, 533640), (150, 444700), (200, 333525), (250, 266820), (300, 222350), (375, 177880), (500, 133410), (600, 111175), (625, 106728), (750, 88940), (1000, 66705), (1250, 53364), (1500, 44470), (1875, 35576), (2500, 26682), (3000, 22235), (3750, 17788), (4447, 15000), (5000, 13341), (7500, 8894)]