2028481280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 5871022080

約数和(自身を除く): 3842540800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 67, 70, 80, 109, 112, 124, 128, 134, 140, 155, 160, 217, 218, 224, 248, 256, 268, 280, 310, 320, 335, 434, 436, 448, 469, 496, 536, 545, 560, 620, 640, 670, 763, 868, 872, 896, 938, 992, 1072, 1085, 1090, 1120, 1240, 1280, 1340, 1526, 1736, 1744, 1792, 1876, 1984, 2077, 2144, 2170, 2180, 2240, 2345, 2480, 2680, 3052, 3379, 3472, 3488, 3752, 3815, 3968, 4154, 4288, 4340, 4360, 4480, 4690, 4960, 5360, 6104, 6758, 6944, 6976, 7303, 7504, 7630, 7936, 8308, 8576, 8680, 8720, 8960, 9380, 9920, 10385, 10720, 12208, 13516, 13888, 13952, 14539, 14606, 15008, 15260, 16616, 16895, 17152, 17360, 17440, 18760, 19840, 20770, 21440, 23653, 24416, 27032, 27776, 27904, 29078, 29212, 30016, 30520, 33232, 33790, 34720, 34880, 36515, 37520, 39680, 41540, 42880, 47306, 48832, 51121, 54064, 55552, 58156, 58424, 60032, 61040, 66464, 67580, 69440, 69760, 72695, 73030, 75040, 83080, 85760, 94612, 97664, 102242, 108128, 116312, 116848, 118265, 120064, 122080, 132928, 135160, 138880, 139520, 145390, 146060, 150080, 166160, 189224, 195328, 204484, 216256, 226393, 232624, 233696, 236530, 244160, 255605, 265856, 270320, 277760, 290780, 292120, 300160, 332320, 378448, 408968, 432512, 452786, 465248, 467392, 473060, 488320, 511210, 531712, 540640, 581560, 584240, 600320, 664640, 756896, 817936, 865024, 905572, 930496, 934784, 946120, 976640, 1022420, 1081280, 1131965, 1163120, 1168480, 1329280, 1513792, 1584751, 1635872, 1811144, 1860992, 1869568, 1892240, 2044840, 2162560, 2263930, 2326240, 2336960, 2658560, 3027584, 3169502, 3271744, 3622288, 3721984, 3784480, 4089680, 4325120, 4527860, 4652480, 4673920, 6055168, 6339004, 6543488, 7244576, 7568960, 7923755, 8179360, 9055720, 9304960, 9347840, 12678008, 13086976, 14489152, 15137920, 15847510, 16358720, 18111440, 18609920, 25356016, 28978304, 30275840, 31695020, 32717440, 36222880, 50712032, 57956608, 63390040, 65434880, 72445760, 101424064, 126780080, 144891520, 202848128, 253560160, 289783040, 405696256, 507120320, 1014240640, 2028481280]

約数ペア:

[(1, 2028481280), (2, 1014240640), (4, 507120320), (5, 405696256), (7, 289783040), (8, 253560160), (10, 202848128), (14, 144891520), (16, 126780080), (20, 101424064), (28, 72445760), (31, 65434880), (32, 63390040), (35, 57956608), (40, 50712032), (56, 36222880), (62, 32717440), (64, 31695020), (67, 30275840), (70, 28978304), (80, 25356016), (109, 18609920), (112, 18111440), (124, 16358720), (128, 15847510), (134, 15137920), (140, 14489152), (155, 13086976), (160, 12678008), (217, 9347840), (218, 9304960), (224, 9055720), (248, 8179360), (256, 7923755), (268, 7568960), (280, 7244576), (310, 6543488), (320, 6339004), (335, 6055168), (434, 4673920), (436, 4652480), (448, 4527860), (469, 4325120), (496, 4089680), (536, 3784480), (545, 3721984), (560, 3622288), (620, 3271744), (640, 3169502), (670, 3027584), (763, 2658560), (868, 2336960), (872, 2326240), (896, 2263930), (938, 2162560), (992, 2044840), (1072, 1892240), (1085, 1869568), (1090, 1860992), (1120, 1811144), (1240, 1635872), (1280, 1584751), (1340, 1513792), (1526, 1329280), (1736, 1168480), (1744, 1163120), (1792, 1131965), (1876, 1081280), (1984, 1022420), (2077, 976640), (2144, 946120), (2170, 934784), (2180, 930496), (2240, 905572), (2345, 865024), (2480, 817936), (2680, 756896), (3052, 664640), (3379, 600320), (3472, 584240), (3488, 581560), (3752, 540640), (3815, 531712), (3968, 511210), (4154, 488320), (4288, 473060), (4340, 467392), (4360, 465248), (4480, 452786), (4690, 432512), (4960, 408968), (5360, 378448), (6104, 332320), (6758, 300160), (6944, 292120), (6976, 290780), (7303, 277760), (7504, 270320), (7630, 265856), (7936, 255605), (8308, 244160), (8576, 236530), (8680, 233696), (8720, 232624), (8960, 226393), (9380, 216256), (9920, 204484), (10385, 195328), (10720, 189224), (12208, 166160), (13516, 150080), (13888, 146060), (13952, 145390), (14539, 139520), (14606, 138880), (15008, 135160), (15260, 132928), (16616, 122080), (16895, 120064), (17152, 118265), (17360, 116848), (17440, 116312), (18760, 108128), (19840, 102242), (20770, 97664), (21440, 94612), (23653, 85760), (24416, 83080), (27032, 75040), (27776, 73030), (27904, 72695), (29078, 69760), (29212, 69440), (30016, 67580), (30520, 66464), (33232, 61040), (33790, 60032), (34720, 58424), (34880, 58156), (36515, 55552), (37520, 54064), (39680, 51121), (41540, 48832), (42880, 47306)]