19810560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 80059392

約数和(自身を除く): 60248832

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, 67, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 134, 140, 154, 160, 165, 168, 176, 192, 201, 210, 220, 224, 231, 240, 256, 264, 268, 280, 308, 320, 330, 335, 336, 352, 384, 385, 402, 420, 440, 448, 462, 469, 480, 528, 536, 560, 616, 640, 660, 670, 672, 704, 737, 768, 770, 804, 840, 880, 896, 924, 938, 960, 1005, 1056, 1072, 1120, 1155, 1232, 1280, 1320, 1340, 1344, 1407, 1408, 1474, 1540, 1608, 1680, 1760, 1792, 1848, 1876, 1920, 2010, 2112, 2144, 2211, 2240, 2310, 2345, 2464, 2640, 2680, 2688, 2814, 2816, 2948, 3080, 3216, 3360, 3520, 3685, 3696, 3752, 3840, 4020, 4224, 4288, 4422, 4480, 4620, 4690, 4928, 5159, 5280, 5360, 5376, 5628, 5896, 6160, 6432, 6720, 7035, 7040, 7370, 7392, 7504, 8040, 8448, 8576, 8844, 8960, 9240, 9380, 9856, 10318, 10560, 10720, 11055, 11256, 11792, 12320, 12864, 13440, 14070, 14080, 14740, 14784, 15008, 15477, 16080, 17152, 17688, 18480, 18760, 19712, 20636, 21120, 21440, 22110, 22512, 23584, 24640, 25728, 25795, 26880, 28140, 29480, 29568, 30016, 30954, 32160, 35376, 36960, 37520, 41272, 42240, 42880, 44220, 45024, 47168, 49280, 51456, 51590, 56280, 58960, 59136, 60032, 61908, 64320, 70752, 73920, 75040, 77385, 82544, 85760, 88440, 90048, 94336, 98560, 103180, 112560, 117920, 120064, 123816, 128640, 141504, 147840, 150080, 154770, 165088, 176880, 180096, 188672, 206360, 225120, 235840, 247632, 257280, 283008, 295680, 300160, 309540, 330176, 353760, 360192, 412720, 450240, 471680, 495264, 566016, 600320, 619080, 660352, 707520, 825440, 900480, 943360, 990528, 1238160, 1320704, 1415040, 1650880, 1800960, 1981056, 2476320, 2830080, 3301760, 3962112, 4952640, 6603520, 9905280, 19810560]

約数ペア:

[(1, 19810560), (2, 9905280), (3, 6603520), (4, 4952640), (5, 3962112), (6, 3301760), (7, 2830080), (8, 2476320), (10, 1981056), (11, 1800960), (12, 1650880), (14, 1415040), (15, 1320704), (16, 1238160), (20, 990528), (21, 943360), (22, 900480), (24, 825440), (28, 707520), (30, 660352), (32, 619080), (33, 600320), (35, 566016), (40, 495264), (42, 471680), (44, 450240), (48, 412720), (55, 360192), (56, 353760), (60, 330176), (64, 309540), (66, 300160), (67, 295680), (70, 283008), (77, 257280), (80, 247632), (84, 235840), (88, 225120), (96, 206360), (105, 188672), (110, 180096), (112, 176880), (120, 165088), (128, 154770), (132, 150080), (134, 147840), (140, 141504), (154, 128640), (160, 123816), (165, 120064), (168, 117920), (176, 112560), (192, 103180), (201, 98560), (210, 94336), (220, 90048), (224, 88440), (231, 85760), (240, 82544), (256, 77385), (264, 75040), (268, 73920), (280, 70752), (308, 64320), (320, 61908), (330, 60032), (335, 59136), (336, 58960), (352, 56280), (384, 51590), (385, 51456), (402, 49280), (420, 47168), (440, 45024), (448, 44220), (462, 42880), (469, 42240), (480, 41272), (528, 37520), (536, 36960), (560, 35376), (616, 32160), (640, 30954), (660, 30016), (670, 29568), (672, 29480), (704, 28140), (737, 26880), (768, 25795), (770, 25728), (804, 24640), (840, 23584), (880, 22512), (896, 22110), (924, 21440), (938, 21120), (960, 20636), (1005, 19712), (1056, 18760), (1072, 18480), (1120, 17688), (1155, 17152), (1232, 16080), (1280, 15477), (1320, 15008), (1340, 14784), (1344, 14740), (1407, 14080), (1408, 14070), (1474, 13440), (1540, 12864), (1608, 12320), (1680, 11792), (1760, 11256), (1792, 11055), (1848, 10720), (1876, 10560), (1920, 10318), (2010, 9856), (2112, 9380), (2144, 9240), (2211, 8960), (2240, 8844), (2310, 8576), (2345, 8448), (2464, 8040), (2640, 7504), (2680, 7392), (2688, 7370), (2814, 7040), (2816, 7035), (2948, 6720), (3080, 6432), (3216, 6160), (3360, 5896), (3520, 5628), (3685, 5376), (3696, 5360), (3752, 5280), (3840, 5159), (4020, 4928), (4224, 4690), (4288, 4620), (4422, 4480)]