217996800

素因数分解:

$2^9\times 3^1\times 5^2\times 7^1\times {\mathrm{811}}^1$

素因数の和:849

約数の個数: 240

約数和(自身を含む): 824030592

約数和(自身を除く): 606033792

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, 256, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 512, 525, 560, 600, 640, 672, 700, 768, 800, 811, 840, 896, 960, 1050, 1120, 1200, 1280, 1344, 1400, 1536, 1600, 1622, 1680, 1792, 1920, 2100, 2240, 2400, 2433, 2560, 2688, 2800, 3200, 3244, 3360, 3584, 3840, 4055, 4200, 4480, 4800, 4866, 5376, 5600, 5677, 6400, 6488, 6720, 7680, 8110, 8400, 8960, 9600, 9732, 10752, 11200, 11354, 12165, 12800, 12976, 13440, 16220, 16800, 17031, 17920, 19200, 19464, 20275, 22400, 22708, 24330, 25952, 26880, 28385, 32440, 33600, 34062, 38400, 38928, 40550, 44800, 45416, 48660, 51904, 53760, 56770, 60825, 64880, 67200, 68124, 77856, 81100, 85155, 89600, 90832, 97320, 103808, 113540, 121650, 129760, 134400, 136248, 141925, 155712, 162200, 170310, 181664, 194640, 207616, 227080, 243300, 259520, 268800, 272496, 283850, 311424, 324400, 340620, 363328, 389280, 415232, 425775, 454160, 486600, 519040, 544992, 567700, 622848, 648800, 681240, 726656, 778560, 851550, 908320, 973200, 1038080, 1089984, 1135400, 1245696, 1297600, 1362480, 1453312, 1557120, 1703100, 1816640, 1946400, 2076160, 2179968, 2270800, 2595200, 2724960, 2906624, 3114240, 3406200, 3633280, 3892800, 4359936, 4541600, 5190400, 5449920, 6228480, 6812400, 7266560, 7785600, 8719872, 9083200, 10380800, 10899840, 13624800, 14533120, 15571200, 18166400, 21799680, 27249600, 31142400, 36332800, 43599360, 54499200, 72665600, 108998400, 217996800]

約数ペア:

[(1, 217996800), (2, 108998400), (3, 72665600), (4, 54499200), (5, 43599360), (6, 36332800), (7, 31142400), (8, 27249600), (10, 21799680), (12, 18166400), (14, 15571200), (15, 14533120), (16, 13624800), (20, 10899840), (21, 10380800), (24, 9083200), (25, 8719872), (28, 7785600), (30, 7266560), (32, 6812400), (35, 6228480), (40, 5449920), (42, 5190400), (48, 4541600), (50, 4359936), (56, 3892800), (60, 3633280), (64, 3406200), (70, 3114240), (75, 2906624), (80, 2724960), (84, 2595200), (96, 2270800), (100, 2179968), (105, 2076160), (112, 1946400), (120, 1816640), (128, 1703100), (140, 1557120), (150, 1453312), (160, 1362480), (168, 1297600), (175, 1245696), (192, 1135400), (200, 1089984), (210, 1038080), (224, 973200), (240, 908320), (256, 851550), (280, 778560), (300, 726656), (320, 681240), (336, 648800), (350, 622848), (384, 567700), (400, 544992), (420, 519040), (448, 486600), (480, 454160), (512, 425775), (525, 415232), (560, 389280), (600, 363328), (640, 340620), (672, 324400), (700, 311424), (768, 283850), (800, 272496), (811, 268800), (840, 259520), (896, 243300), (960, 227080), (1050, 207616), (1120, 194640), (1200, 181664), (1280, 170310), (1344, 162200), (1400, 155712), (1536, 141925), (1600, 136248), (1622, 134400), (1680, 129760), (1792, 121650), (1920, 113540), (2100, 103808), (2240, 97320), (2400, 90832), (2433, 89600), (2560, 85155), (2688, 81100), (2800, 77856), (3200, 68124), (3244, 67200), (3360, 64880), (3584, 60825), (3840, 56770), (4055, 53760), (4200, 51904), (4480, 48660), (4800, 45416), (4866, 44800), (5376, 40550), (5600, 38928), (5677, 38400), (6400, 34062), (6488, 33600), (6720, 32440), (7680, 28385), (8110, 26880), (8400, 25952), (8960, 24330), (9600, 22708), (9732, 22400), (10752, 20275), (11200, 19464), (11354, 19200), (12165, 17920), (12800, 17031), (12976, 16800), (13440, 16220)]