19319040

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 75546240

約数和(自身を除く): 56227200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 43, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 86, 90, 96, 104, 108, 117, 120, 128, 129, 130, 135, 144, 156, 160, 172, 180, 192, 195, 208, 215, 216, 234, 240, 256, 258, 260, 270, 288, 312, 320, 344, 351, 360, 384, 387, 390, 416, 430, 432, 468, 480, 516, 520, 540, 559, 576, 585, 624, 640, 645, 688, 702, 720, 768, 774, 780, 832, 860, 864, 936, 960, 1032, 1040, 1080, 1118, 1152, 1161, 1170, 1248, 1280, 1290, 1376, 1404, 1440, 1548, 1560, 1664, 1677, 1720, 1728, 1755, 1872, 1920, 1935, 2064, 2080, 2160, 2236, 2304, 2322, 2340, 2496, 2580, 2752, 2795, 2808, 2880, 3096, 3120, 3328, 3354, 3440, 3456, 3510, 3744, 3840, 3870, 4128, 4160, 4320, 4472, 4644, 4680, 4992, 5031, 5160, 5504, 5590, 5616, 5760, 5805, 6192, 6240, 6708, 6880, 6912, 7020, 7488, 7740, 8256, 8320, 8385, 8640, 8944, 9288, 9360, 9984, 10062, 10320, 11008, 11180, 11232, 11520, 11610, 12384, 12480, 13416, 13760, 14040, 14976, 15093, 15480, 16512, 16640, 16770, 17280, 17888, 18576, 18720, 20124, 20640, 22360, 22464, 23220, 24768, 24960, 25155, 26832, 27520, 28080, 29952, 30186, 30960, 33024, 33540, 34560, 35776, 37152, 37440, 40248, 41280, 44720, 44928, 46440, 49536, 49920, 50310, 53664, 55040, 56160, 60372, 61920, 67080, 71552, 74304, 74880, 75465, 80496, 82560, 89440, 89856, 92880, 99072, 100620, 107328, 112320, 120744, 123840, 134160, 143104, 148608, 149760, 150930, 160992, 165120, 178880, 185760, 201240, 214656, 224640, 241488, 247680, 268320, 297216, 301860, 321984, 357760, 371520, 402480, 429312, 449280, 482976, 495360, 536640, 603720, 643968, 715520, 743040, 804960, 965952, 1073280, 1207440, 1287936, 1486080, 1609920, 1931904, 2146560, 2414880, 3219840, 3863808, 4829760, 6439680, 9659520, 19319040]

約数ペア:

[(1, 19319040), (2, 9659520), (3, 6439680), (4, 4829760), (5, 3863808), (6, 3219840), (8, 2414880), (9, 2146560), (10, 1931904), (12, 1609920), (13, 1486080), (15, 1287936), (16, 1207440), (18, 1073280), (20, 965952), (24, 804960), (26, 743040), (27, 715520), (30, 643968), (32, 603720), (36, 536640), (39, 495360), (40, 482976), (43, 449280), (45, 429312), (48, 402480), (52, 371520), (54, 357760), (60, 321984), (64, 301860), (65, 297216), (72, 268320), (78, 247680), (80, 241488), (86, 224640), (90, 214656), (96, 201240), (104, 185760), (108, 178880), (117, 165120), (120, 160992), (128, 150930), (129, 149760), (130, 148608), (135, 143104), (144, 134160), (156, 123840), (160, 120744), (172, 112320), (180, 107328), (192, 100620), (195, 99072), (208, 92880), (215, 89856), (216, 89440), (234, 82560), (240, 80496), (256, 75465), (258, 74880), (260, 74304), (270, 71552), (288, 67080), (312, 61920), (320, 60372), (344, 56160), (351, 55040), (360, 53664), (384, 50310), (387, 49920), (390, 49536), (416, 46440), (430, 44928), (432, 44720), (468, 41280), (480, 40248), (516, 37440), (520, 37152), (540, 35776), (559, 34560), (576, 33540), (585, 33024), (624, 30960), (640, 30186), (645, 29952), (688, 28080), (702, 27520), (720, 26832), (768, 25155), (774, 24960), (780, 24768), (832, 23220), (860, 22464), (864, 22360), (936, 20640), (960, 20124), (1032, 18720), (1040, 18576), (1080, 17888), (1118, 17280), (1152, 16770), (1161, 16640), (1170, 16512), (1248, 15480), (1280, 15093), (1290, 14976), (1376, 14040), (1404, 13760), (1440, 13416), (1548, 12480), (1560, 12384), (1664, 11610), (1677, 11520), (1720, 11232), (1728, 11180), (1755, 11008), (1872, 10320), (1920, 10062), (1935, 9984), (2064, 9360), (2080, 9288), (2160, 8944), (2236, 8640), (2304, 8385), (2322, 8320), (2340, 8256), (2496, 7740), (2580, 7488), (2752, 7020), (2795, 6912), (2808, 6880), (2880, 6708), (3096, 6240), (3120, 6192), (3328, 5805), (3354, 5760), (3440, 5616), (3456, 5590), (3510, 5504), (3744, 5160), (3840, 5031), (3870, 4992), (4128, 4680), (4160, 4644), (4320, 4472)]