247184640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 216

約数和(自身を含む): 876876000

約数和(自身を除く): 629691360

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, 499, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 998, 1032, 1152, 1280, 1290, 1376, 1440, 1497, 1548, 1720, 1920, 1935, 1996, 2064, 2304, 2495, 2580, 2752, 2880, 2994, 3096, 3440, 3840, 3870, 3992, 4128, 4491, 4990, 5160, 5504, 5760, 5988, 6192, 6880, 7485, 7740, 7984, 8256, 8982, 9980, 10320, 11008, 11520, 11976, 12384, 13760, 14970, 15480, 15968, 16512, 17964, 19960, 20640, 21457, 22455, 23952, 24768, 27520, 29940, 30960, 31936, 33024, 35928, 39920, 41280, 42914, 44910, 47904, 49536, 55040, 59880, 61920, 63872, 64371, 71856, 79840, 82560, 85828, 89820, 95808, 99072, 107285, 119760, 123840, 127744, 128742, 143712, 159680, 165120, 171656, 179640, 191616, 193113, 214570, 239520, 247680, 257484, 287424, 319360, 321855, 343312, 359280, 383232, 386226, 429140, 479040, 495360, 514968, 574848, 638720, 643710, 686624, 718560, 772452, 858280, 958080, 965565, 1029936, 1149696, 1287420, 1373248, 1437120, 1544904, 1716560, 1916160, 1931130, 2059872, 2574840, 2746496, 2874240, 3089808, 3433120, 3862260, 4119744, 5149680, 5492992, 5748480, 6179616, 6866240, 7724520, 8239488, 10299360, 12359232, 13732480, 15449040, 16478976, 20598720, 24718464, 27464960, 30898080, 41197440, 49436928, 61796160, 82394880, 123592320, 247184640]

約数ペア:

[(1, 247184640), (2, 123592320), (3, 82394880), (4, 61796160), (5, 49436928), (6, 41197440), (8, 30898080), (9, 27464960), (10, 24718464), (12, 20598720), (15, 16478976), (16, 15449040), (18, 13732480), (20, 12359232), (24, 10299360), (30, 8239488), (32, 7724520), (36, 6866240), (40, 6179616), (43, 5748480), (45, 5492992), (48, 5149680), (60, 4119744), (64, 3862260), (72, 3433120), (80, 3089808), (86, 2874240), (90, 2746496), (96, 2574840), (120, 2059872), (128, 1931130), (129, 1916160), (144, 1716560), (160, 1544904), (172, 1437120), (180, 1373248), (192, 1287420), (215, 1149696), (240, 1029936), (256, 965565), (258, 958080), (288, 858280), (320, 772452), (344, 718560), (360, 686624), (384, 643710), (387, 638720), (430, 574848), (480, 514968), (499, 495360), (516, 479040), (576, 429140), (640, 386226), (645, 383232), (688, 359280), (720, 343312), (768, 321855), (774, 319360), (860, 287424), (960, 257484), (998, 247680), (1032, 239520), (1152, 214570), (1280, 193113), (1290, 191616), (1376, 179640), (1440, 171656), (1497, 165120), (1548, 159680), (1720, 143712), (1920, 128742), (1935, 127744), (1996, 123840), (2064, 119760), (2304, 107285), (2495, 99072), (2580, 95808), (2752, 89820), (2880, 85828), (2994, 82560), (3096, 79840), (3440, 71856), (3840, 64371), (3870, 63872), (3992, 61920), (4128, 59880), (4491, 55040), (4990, 49536), (5160, 47904), (5504, 44910), (5760, 42914), (5988, 41280), (6192, 39920), (6880, 35928), (7485, 33024), (7740, 31936), (7984, 30960), (8256, 29940), (8982, 27520), (9980, 24768), (10320, 23952), (11008, 22455), (11520, 21457), (11976, 20640), (12384, 19960), (13760, 17964), (14970, 16512), (15480, 15968)]