281475040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 875169792

約数和(自身を除く): 593694752

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 67, 70, 77, 80, 88, 110, 112, 121, 124, 134, 140, 154, 155, 160, 176, 217, 220, 224, 242, 248, 268, 280, 308, 310, 335, 341, 352, 385, 434, 440, 469, 484, 496, 536, 560, 605, 616, 620, 670, 682, 737, 770, 847, 868, 880, 938, 968, 992, 1072, 1085, 1120, 1210, 1232, 1240, 1340, 1364, 1474, 1540, 1694, 1705, 1736, 1760, 1876, 1936, 2077, 2144, 2170, 2345, 2387, 2420, 2464, 2480, 2680, 2728, 2948, 3080, 3388, 3410, 3472, 3685, 3751, 3752, 3872, 4154, 4235, 4340, 4690, 4774, 4840, 4960, 5159, 5360, 5456, 5896, 6160, 6776, 6820, 6944, 7370, 7502, 7504, 8107, 8308, 8470, 8680, 9380, 9548, 9680, 10318, 10385, 10720, 10912, 11792, 11935, 12320, 13552, 13640, 14539, 14740, 15004, 15008, 16214, 16616, 16940, 17360, 18755, 18760, 19096, 19360, 20636, 20770, 22847, 23584, 23870, 25795, 26257, 27104, 27280, 29078, 29480, 30008, 32428, 33232, 33880, 34720, 37510, 37520, 38192, 40535, 41272, 41540, 45694, 47740, 51590, 52514, 54560, 56749, 58156, 58960, 60016, 64856, 66464, 67760, 72695, 75020, 75040, 76384, 81070, 82544, 83080, 91388, 95480, 103180, 105028, 113498, 114235, 116312, 117920, 120032, 129712, 131285, 135520, 145390, 150040, 159929, 162140, 165088, 166160, 182776, 190960, 206360, 210056, 226996, 228470, 232624, 251317, 259424, 262570, 283745, 290780, 300080, 319858, 324280, 332320, 365552, 381920, 412720, 420112, 453992, 456940, 465248, 502634, 525140, 567490, 581560, 600160, 639716, 648560, 731104, 799645, 825440, 840224, 907984, 913880, 1005268, 1050280, 1134980, 1163120, 1256585, 1279432, 1297120, 1599290, 1759219, 1815968, 1827760, 2010536, 2100560, 2269960, 2326240, 2513170, 2558864, 3198580, 3518438, 3655520, 4021072, 4201120, 4539920, 5026340, 5117728, 6397160, 7036876, 8042144, 8796095, 9079840, 10052680, 12794320, 14073752, 17592190, 20105360, 25588640, 28147504, 35184380, 40210720, 56295008, 70368760, 140737520, 281475040]

約数ペア:

[(1, 281475040), (2, 140737520), (4, 70368760), (5, 56295008), (7, 40210720), (8, 35184380), (10, 28147504), (11, 25588640), (14, 20105360), (16, 17592190), (20, 14073752), (22, 12794320), (28, 10052680), (31, 9079840), (32, 8796095), (35, 8042144), (40, 7036876), (44, 6397160), (55, 5117728), (56, 5026340), (62, 4539920), (67, 4201120), (70, 4021072), (77, 3655520), (80, 3518438), (88, 3198580), (110, 2558864), (112, 2513170), (121, 2326240), (124, 2269960), (134, 2100560), (140, 2010536), (154, 1827760), (155, 1815968), (160, 1759219), (176, 1599290), (217, 1297120), (220, 1279432), (224, 1256585), (242, 1163120), (248, 1134980), (268, 1050280), (280, 1005268), (308, 913880), (310, 907984), (335, 840224), (341, 825440), (352, 799645), (385, 731104), (434, 648560), (440, 639716), (469, 600160), (484, 581560), (496, 567490), (536, 525140), (560, 502634), (605, 465248), (616, 456940), (620, 453992), (670, 420112), (682, 412720), (737, 381920), (770, 365552), (847, 332320), (868, 324280), (880, 319858), (938, 300080), (968, 290780), (992, 283745), (1072, 262570), (1085, 259424), (1120, 251317), (1210, 232624), (1232, 228470), (1240, 226996), (1340, 210056), (1364, 206360), (1474, 190960), (1540, 182776), (1694, 166160), (1705, 165088), (1736, 162140), (1760, 159929), (1876, 150040), (1936, 145390), (2077, 135520), (2144, 131285), (2170, 129712), (2345, 120032), (2387, 117920), (2420, 116312), (2464, 114235), (2480, 113498), (2680, 105028), (2728, 103180), (2948, 95480), (3080, 91388), (3388, 83080), (3410, 82544), (3472, 81070), (3685, 76384), (3751, 75040), (3752, 75020), (3872, 72695), (4154, 67760), (4235, 66464), (4340, 64856), (4690, 60016), (4774, 58960), (4840, 58156), (4960, 56749), (5159, 54560), (5360, 52514), (5456, 51590), (5896, 47740), (6160, 45694), (6776, 41540), (6820, 41272), (6944, 40535), (7370, 38192), (7502, 37520), (7504, 37510), (8107, 34720), (8308, 33880), (8470, 33232), (8680, 32428), (9380, 30008), (9548, 29480), (9680, 29078), (10318, 27280), (10385, 27104), (10720, 26257), (10912, 25795), (11792, 23870), (11935, 23584), (12320, 22847), (13552, 20770), (13640, 20636), (14539, 19360), (14740, 19096), (15004, 18760), (15008, 18755), (16214, 17360), (16616, 16940)]