20899200

素因数分解:

$2^7\times 3^1\times 5^2\times 7^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 78923520

約数和(自身を除く): 58024320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 311, 320, 336, 350, 384, 400, 420, 448, 480, 525, 560, 600, 622, 640, 672, 700, 800, 840, 896, 933, 960, 1050, 1120, 1200, 1244, 1344, 1400, 1555, 1600, 1680, 1866, 1920, 2100, 2177, 2240, 2400, 2488, 2688, 2800, 3110, 3200, 3360, 3732, 4200, 4354, 4480, 4665, 4800, 4976, 5600, 6220, 6531, 6720, 7464, 7775, 8400, 8708, 9330, 9600, 9952, 10885, 11200, 12440, 13062, 13440, 14928, 15550, 16800, 17416, 18660, 19904, 21770, 22400, 23325, 24880, 26124, 29856, 31100, 32655, 33600, 34832, 37320, 39808, 43540, 46650, 49760, 52248, 54425, 59712, 62200, 65310, 67200, 69664, 74640, 87080, 93300, 99520, 104496, 108850, 119424, 124400, 130620, 139328, 149280, 163275, 174160, 186600, 199040, 208992, 217700, 248800, 261240, 278656, 298560, 326550, 348320, 373200, 417984, 435400, 497600, 522480, 597120, 653100, 696640, 746400, 835968, 870800, 995200, 1044960, 1306200, 1393280, 1492800, 1741600, 2089920, 2612400, 2985600, 3483200, 4179840, 5224800, 6966400, 10449600, 20899200]

約数ペア:

[(1, 20899200), (2, 10449600), (3, 6966400), (4, 5224800), (5, 4179840), (6, 3483200), (7, 2985600), (8, 2612400), (10, 2089920), (12, 1741600), (14, 1492800), (15, 1393280), (16, 1306200), (20, 1044960), (21, 995200), (24, 870800), (25, 835968), (28, 746400), (30, 696640), (32, 653100), (35, 597120), (40, 522480), (42, 497600), (48, 435400), (50, 417984), (56, 373200), (60, 348320), (64, 326550), (70, 298560), (75, 278656), (80, 261240), (84, 248800), (96, 217700), (100, 208992), (105, 199040), (112, 186600), (120, 174160), (128, 163275), (140, 149280), (150, 139328), (160, 130620), (168, 124400), (175, 119424), (192, 108850), (200, 104496), (210, 99520), (224, 93300), (240, 87080), (280, 74640), (300, 69664), (311, 67200), (320, 65310), (336, 62200), (350, 59712), (384, 54425), (400, 52248), (420, 49760), (448, 46650), (480, 43540), (525, 39808), (560, 37320), (600, 34832), (622, 33600), (640, 32655), (672, 31100), (700, 29856), (800, 26124), (840, 24880), (896, 23325), (933, 22400), (960, 21770), (1050, 19904), (1120, 18660), (1200, 17416), (1244, 16800), (1344, 15550), (1400, 14928), (1555, 13440), (1600, 13062), (1680, 12440), (1866, 11200), (1920, 10885), (2100, 9952), (2177, 9600), (2240, 9330), (2400, 8708), (2488, 8400), (2688, 7775), (2800, 7464), (3110, 6720), (3200, 6531), (3360, 6220), (3732, 5600), (4200, 4976), (4354, 4800), (4480, 4665)]