78390720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 224

約数和(自身を含む): 284317440

約数和(自身を除く): 205926720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 211, 215, 216, 240, 258, 270, 288, 320, 344, 360, 387, 422, 430, 432, 480, 516, 540, 576, 633, 645, 688, 720, 774, 844, 860, 864, 960, 1032, 1055, 1080, 1161, 1266, 1290, 1376, 1440, 1548, 1688, 1720, 1728, 1899, 1935, 2064, 2110, 2160, 2322, 2532, 2580, 2752, 2880, 3096, 3165, 3376, 3440, 3798, 3870, 4128, 4220, 4320, 4644, 5064, 5160, 5697, 5805, 6192, 6330, 6752, 6880, 7596, 7740, 8256, 8440, 8640, 9073, 9288, 9495, 10128, 10320, 11394, 11610, 12384, 12660, 13504, 13760, 15192, 15480, 16880, 18146, 18576, 18990, 20256, 20640, 22788, 23220, 24768, 25320, 27219, 28485, 30384, 30960, 33760, 36292, 37152, 37980, 40512, 41280, 45365, 45576, 46440, 50640, 54438, 56970, 60768, 61920, 67520, 72584, 74304, 75960, 81657, 90730, 91152, 92880, 101280, 108876, 113940, 121536, 123840, 136095, 145168, 151920, 163314, 181460, 182304, 185760, 202560, 217752, 227880, 244971, 272190, 290336, 303840, 326628, 362920, 364608, 371520, 408285, 435504, 455760, 489942, 544380, 580672, 607680, 653256, 725840, 816570, 871008, 911520, 979884, 1088760, 1224855, 1306512, 1451680, 1633140, 1742016, 1823040, 1959768, 2177520, 2449710, 2613024, 2903360, 3266280, 3919536, 4355040, 4899420, 5226048, 6532560, 7839072, 8710080, 9798840, 13065120, 15678144, 19597680, 26130240, 39195360, 78390720]

約数ペア:

[(1, 78390720), (2, 39195360), (3, 26130240), (4, 19597680), (5, 15678144), (6, 13065120), (8, 9798840), (9, 8710080), (10, 7839072), (12, 6532560), (15, 5226048), (16, 4899420), (18, 4355040), (20, 3919536), (24, 3266280), (27, 2903360), (30, 2613024), (32, 2449710), (36, 2177520), (40, 1959768), (43, 1823040), (45, 1742016), (48, 1633140), (54, 1451680), (60, 1306512), (64, 1224855), (72, 1088760), (80, 979884), (86, 911520), (90, 871008), (96, 816570), (108, 725840), (120, 653256), (129, 607680), (135, 580672), (144, 544380), (160, 489942), (172, 455760), (180, 435504), (192, 408285), (211, 371520), (215, 364608), (216, 362920), (240, 326628), (258, 303840), (270, 290336), (288, 272190), (320, 244971), (344, 227880), (360, 217752), (387, 202560), (422, 185760), (430, 182304), (432, 181460), (480, 163314), (516, 151920), (540, 145168), (576, 136095), (633, 123840), (645, 121536), (688, 113940), (720, 108876), (774, 101280), (844, 92880), (860, 91152), (864, 90730), (960, 81657), (1032, 75960), (1055, 74304), (1080, 72584), (1161, 67520), (1266, 61920), (1290, 60768), (1376, 56970), (1440, 54438), (1548, 50640), (1688, 46440), (1720, 45576), (1728, 45365), (1899, 41280), (1935, 40512), (2064, 37980), (2110, 37152), (2160, 36292), (2322, 33760), (2532, 30960), (2580, 30384), (2752, 28485), (2880, 27219), (3096, 25320), (3165, 24768), (3376, 23220), (3440, 22788), (3798, 20640), (3870, 20256), (4128, 18990), (4220, 18576), (4320, 18146), (4644, 16880), (5064, 15480), (5160, 15192), (5697, 13760), (5805, 13504), (6192, 12660), (6330, 12384), (6752, 11610), (6880, 11394), (7596, 10320), (7740, 10128), (8256, 9495), (8440, 9288), (8640, 9073)]