2181127680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:857

約数の個数: 240

約数和(自身を含む): 7620007824

約数和(自身を除く): 5438880144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 137, 144, 160, 180, 192, 240, 256, 274, 288, 320, 360, 384, 411, 480, 512, 548, 576, 640, 685, 691, 720, 768, 822, 960, 1096, 1152, 1233, 1280, 1370, 1382, 1440, 1536, 1644, 1920, 2055, 2073, 2192, 2304, 2466, 2560, 2740, 2764, 2880, 3288, 3455, 3840, 4110, 4146, 4384, 4608, 4932, 5480, 5528, 5760, 6165, 6219, 6576, 6910, 7680, 8220, 8292, 8768, 9864, 10365, 10960, 11056, 11520, 12330, 12438, 13152, 13820, 16440, 16584, 17536, 19728, 20730, 21920, 22112, 23040, 24660, 24876, 26304, 27640, 31095, 32880, 33168, 35072, 39456, 41460, 43840, 44224, 49320, 49752, 52608, 55280, 62190, 65760, 66336, 70144, 78912, 82920, 87680, 88448, 94667, 98640, 99504, 105216, 110560, 124380, 131520, 132672, 157824, 165840, 175360, 176896, 189334, 197280, 199008, 210432, 221120, 248760, 263040, 265344, 284001, 315648, 331680, 350720, 353792, 378668, 394560, 398016, 442240, 473335, 497520, 526080, 530688, 568002, 631296, 663360, 757336, 789120, 796032, 852003, 884480, 946670, 995040, 1052160, 1061376, 1136004, 1326720, 1420005, 1514672, 1578240, 1592064, 1704006, 1768960, 1893340, 1990080, 2272008, 2653440, 2840010, 3029344, 3156480, 3184128, 3408012, 3786680, 3980160, 4260015, 4544016, 5306880, 5680020, 6058688, 6816024, 7573360, 7960320, 8520030, 9088032, 11360040, 12117376, 13632048, 15146720, 15920640, 17040060, 18176064, 22720080, 24234752, 27264096, 30293440, 34080120, 36352128, 45440160, 48469504, 54528192, 60586880, 68160240, 72704256, 90880320, 109056384, 121173760, 136320480, 145408512, 181760640, 218112768, 242347520, 272640960, 363521280, 436225536, 545281920, 727042560, 1090563840, 2181127680]

約数ペア:

[(1, 2181127680), (2, 1090563840), (3, 727042560), (4, 545281920), (5, 436225536), (6, 363521280), (8, 272640960), (9, 242347520), (10, 218112768), (12, 181760640), (15, 145408512), (16, 136320480), (18, 121173760), (20, 109056384), (24, 90880320), (30, 72704256), (32, 68160240), (36, 60586880), (40, 54528192), (45, 48469504), (48, 45440160), (60, 36352128), (64, 34080120), (72, 30293440), (80, 27264096), (90, 24234752), (96, 22720080), (120, 18176064), (128, 17040060), (137, 15920640), (144, 15146720), (160, 13632048), (180, 12117376), (192, 11360040), (240, 9088032), (256, 8520030), (274, 7960320), (288, 7573360), (320, 6816024), (360, 6058688), (384, 5680020), (411, 5306880), (480, 4544016), (512, 4260015), (548, 3980160), (576, 3786680), (640, 3408012), (685, 3184128), (691, 3156480), (720, 3029344), (768, 2840010), (822, 2653440), (960, 2272008), (1096, 1990080), (1152, 1893340), (1233, 1768960), (1280, 1704006), (1370, 1592064), (1382, 1578240), (1440, 1514672), (1536, 1420005), (1644, 1326720), (1920, 1136004), (2055, 1061376), (2073, 1052160), (2192, 995040), (2304, 946670), (2466, 884480), (2560, 852003), (2740, 796032), (2764, 789120), (2880, 757336), (3288, 663360), (3455, 631296), (3840, 568002), (4110, 530688), (4146, 526080), (4384, 497520), (4608, 473335), (4932, 442240), (5480, 398016), (5528, 394560), (5760, 378668), (6165, 353792), (6219, 350720), (6576, 331680), (6910, 315648), (7680, 284001), (8220, 265344), (8292, 263040), (8768, 248760), (9864, 221120), (10365, 210432), (10960, 199008), (11056, 197280), (11520, 189334), (12330, 176896), (12438, 175360), (13152, 165840), (13820, 157824), (16440, 132672), (16584, 131520), (17536, 124380), (19728, 110560), (20730, 105216), (21920, 99504), (22112, 98640), (23040, 94667), (24660, 88448), (24876, 87680), (26304, 82920), (27640, 78912), (31095, 70144), (32880, 66336), (33168, 65760), (35072, 62190), (39456, 55280), (41460, 52608), (43840, 49752), (44224, 49320)]