205201920

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 320

約数和(自身を含む): 820233216

約数和(自身を除く): 615031296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 347, 352, 384, 385, 420, 440, 448, 462, 480, 512, 528, 560, 616, 640, 660, 672, 694, 704, 768, 770, 840, 880, 896, 924, 960, 1041, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1388, 1408, 1536, 1540, 1680, 1735, 1760, 1792, 1848, 1920, 2082, 2112, 2240, 2310, 2429, 2464, 2560, 2640, 2688, 2776, 2816, 3080, 3360, 3470, 3520, 3584, 3696, 3817, 3840, 4164, 4224, 4480, 4620, 4858, 4928, 5205, 5280, 5376, 5552, 5632, 6160, 6720, 6940, 7040, 7287, 7392, 7634, 7680, 8328, 8448, 8960, 9240, 9716, 9856, 10410, 10560, 10752, 11104, 11451, 12145, 12320, 13440, 13880, 14080, 14574, 14784, 15268, 16656, 16896, 17920, 18480, 19085, 19432, 19712, 20820, 21120, 22208, 22902, 24290, 24640, 26719, 26880, 27760, 28160, 29148, 29568, 30536, 33312, 36435, 36960, 38170, 38864, 39424, 41640, 42240, 44416, 45804, 48580, 49280, 53438, 53760, 55520, 57255, 58296, 59136, 61072, 66624, 72870, 73920, 76340, 77728, 80157, 83280, 84480, 88832, 91608, 97160, 98560, 106876, 111040, 114510, 116592, 118272, 122144, 133248, 133595, 145740, 147840, 152680, 155456, 160314, 166560, 177664, 183216, 194320, 197120, 213752, 222080, 229020, 233184, 244288, 266496, 267190, 291480, 295680, 305360, 310912, 320628, 333120, 366432, 388640, 400785, 427504, 444160, 458040, 466368, 488576, 532992, 534380, 582960, 591360, 610720, 621824, 641256, 666240, 732864, 777280, 801570, 855008, 888320, 916080, 932736, 977152, 1068760, 1165920, 1221440, 1243648, 1282512, 1332480, 1465728, 1554560, 1603140, 1710016, 1832160, 1865472, 1954304, 2137520, 2331840, 2442880, 2565024, 2664960, 2931456, 3109120, 3206280, 3420032, 3664320, 3730944, 4275040, 4663680, 4885760, 5130048, 5862912, 6218240, 6412560, 6840064, 7328640, 8550080, 9327360, 9771520, 10260096, 12825120, 13680128, 14657280, 17100160, 18654720, 20520192, 25650240, 29314560, 34200320, 41040384, 51300480, 68400640, 102600960, 205201920]

約数ペア:

[(1, 205201920), (2, 102600960), (3, 68400640), (4, 51300480), (5, 41040384), (6, 34200320), (7, 29314560), (8, 25650240), (10, 20520192), (11, 18654720), (12, 17100160), (14, 14657280), (15, 13680128), (16, 12825120), (20, 10260096), (21, 9771520), (22, 9327360), (24, 8550080), (28, 7328640), (30, 6840064), (32, 6412560), (33, 6218240), (35, 5862912), (40, 5130048), (42, 4885760), (44, 4663680), (48, 4275040), (55, 3730944), (56, 3664320), (60, 3420032), (64, 3206280), (66, 3109120), (70, 2931456), (77, 2664960), (80, 2565024), (84, 2442880), (88, 2331840), (96, 2137520), (105, 1954304), (110, 1865472), (112, 1832160), (120, 1710016), (128, 1603140), (132, 1554560), (140, 1465728), (154, 1332480), (160, 1282512), (165, 1243648), (168, 1221440), (176, 1165920), (192, 1068760), (210, 977152), (220, 932736), (224, 916080), (231, 888320), (240, 855008), (256, 801570), (264, 777280), (280, 732864), (308, 666240), (320, 641256), (330, 621824), (336, 610720), (347, 591360), (352, 582960), (384, 534380), (385, 532992), (420, 488576), (440, 466368), (448, 458040), (462, 444160), (480, 427504), (512, 400785), (528, 388640), (560, 366432), (616, 333120), (640, 320628), (660, 310912), (672, 305360), (694, 295680), (704, 291480), (768, 267190), (770, 266496), (840, 244288), (880, 233184), (896, 229020), (924, 222080), (960, 213752), (1041, 197120), (1056, 194320), (1120, 183216), (1155, 177664), (1232, 166560), (1280, 160314), (1320, 155456), (1344, 152680), (1388, 147840), (1408, 145740), (1536, 133595), (1540, 133248), (1680, 122144), (1735, 118272), (1760, 116592), (1792, 114510), (1848, 111040), (1920, 106876), (2082, 98560), (2112, 97160), (2240, 91608), (2310, 88832), (2429, 84480), (2464, 83280), (2560, 80157), (2640, 77728), (2688, 76340), (2776, 73920), (2816, 72870), (3080, 66624), (3360, 61072), (3470, 59136), (3520, 58296), (3584, 57255), (3696, 55520), (3817, 53760), (3840, 53438), (4164, 49280), (4224, 48580), (4480, 45804), (4620, 44416), (4858, 42240), (4928, 41640), (5205, 39424), (5280, 38864), (5376, 38170), (5552, 36960), (5632, 36435), (6160, 33312), (6720, 30536), (6940, 29568), (7040, 29148), (7287, 28160), (7392, 27760), (7634, 26880), (7680, 26719), (8328, 24640), (8448, 24290), (8960, 22902), (9240, 22208), (9716, 21120), (9856, 20820), (10410, 19712), (10560, 19432), (10752, 19085), (11104, 18480), (11451, 17920), (12145, 16896), (12320, 16656), (13440, 15268), (13880, 14784), (14080, 14574)]