638519040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1359

約数の個数: 216

約数和(自身を含む): 2262340080

約数和(自身を除く): 1623821040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1032, 1152, 1280, 1289, 1290, 1376, 1440, 1548, 1720, 1920, 1935, 2064, 2304, 2578, 2580, 2752, 2880, 3096, 3440, 3840, 3867, 3870, 4128, 5156, 5160, 5504, 5760, 6192, 6445, 6880, 7734, 7740, 8256, 10312, 10320, 11008, 11520, 11601, 12384, 12890, 13760, 15468, 15480, 16512, 19335, 20624, 20640, 23202, 24768, 25780, 27520, 30936, 30960, 33024, 38670, 41248, 41280, 46404, 49536, 51560, 55040, 55427, 58005, 61872, 61920, 77340, 82496, 82560, 92808, 99072, 103120, 110854, 116010, 123744, 123840, 154680, 164992, 165120, 166281, 185616, 206240, 221708, 232020, 247488, 247680, 277135, 309360, 329984, 332562, 371232, 412480, 443416, 464040, 494976, 495360, 498843, 554270, 618720, 665124, 742464, 824960, 831405, 886832, 928080, 989952, 997686, 1108540, 1237440, 1330248, 1484928, 1649920, 1662810, 1773664, 1856160, 1995372, 2217080, 2474880, 2494215, 2660496, 2969856, 3325620, 3547328, 3712320, 3990744, 4434160, 4949760, 4988430, 5320992, 6651240, 7094656, 7424640, 7981488, 8868320, 9976860, 10641984, 13302480, 14189312, 14849280, 15962976, 17736640, 19953720, 21283968, 26604960, 31925952, 35473280, 39907440, 42567936, 53209920, 63851904, 70946560, 79814880, 106419840, 127703808, 159629760, 212839680, 319259520, 638519040]

約数ペア:

[(1, 638519040), (2, 319259520), (3, 212839680), (4, 159629760), (5, 127703808), (6, 106419840), (8, 79814880), (9, 70946560), (10, 63851904), (12, 53209920), (15, 42567936), (16, 39907440), (18, 35473280), (20, 31925952), (24, 26604960), (30, 21283968), (32, 19953720), (36, 17736640), (40, 15962976), (43, 14849280), (45, 14189312), (48, 13302480), (60, 10641984), (64, 9976860), (72, 8868320), (80, 7981488), (86, 7424640), (90, 7094656), (96, 6651240), (120, 5320992), (128, 4988430), (129, 4949760), (144, 4434160), (160, 3990744), (172, 3712320), (180, 3547328), (192, 3325620), (215, 2969856), (240, 2660496), (256, 2494215), (258, 2474880), (288, 2217080), (320, 1995372), (344, 1856160), (360, 1773664), (384, 1662810), (387, 1649920), (430, 1484928), (480, 1330248), (516, 1237440), (576, 1108540), (640, 997686), (645, 989952), (688, 928080), (720, 886832), (768, 831405), (774, 824960), (860, 742464), (960, 665124), (1032, 618720), (1152, 554270), (1280, 498843), (1289, 495360), (1290, 494976), (1376, 464040), (1440, 443416), (1548, 412480), (1720, 371232), (1920, 332562), (1935, 329984), (2064, 309360), (2304, 277135), (2578, 247680), (2580, 247488), (2752, 232020), (2880, 221708), (3096, 206240), (3440, 185616), (3840, 166281), (3867, 165120), (3870, 164992), (4128, 154680), (5156, 123840), (5160, 123744), (5504, 116010), (5760, 110854), (6192, 103120), (6445, 99072), (6880, 92808), (7734, 82560), (7740, 82496), (8256, 77340), (10312, 61920), (10320, 61872), (11008, 58005), (11520, 55427), (11601, 55040), (12384, 51560), (12890, 49536), (13760, 46404), (15468, 41280), (15480, 41248), (16512, 38670), (19335, 33024), (20624, 30960), (20640, 30936), (23202, 27520), (24768, 25780)]