20483873280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68389}}^1$

素因数の和:68431

約数の個数: 240

約数和(自身を含む): 76399563240

約数和(自身を除く): 55915689960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2560, 2880, 3120, 3328, 3744, 3840, 4160, 4608, 4680, 4992, 5760, 6240, 6656, 7488, 7680, 8320, 9360, 9984, 11520, 12480, 14976, 16640, 18720, 19968, 23040, 24960, 29952, 33280, 37440, 49920, 59904, 68389, 74880, 99840, 136778, 149760, 205167, 273556, 299520, 341945, 410334, 547112, 615501, 683890, 820668, 889057, 1025835, 1094224, 1231002, 1367780, 1641336, 1778114, 2051670, 2188448, 2462004, 2667171, 2735560, 3077505, 3282672, 3556228, 4103340, 4376896, 4445285, 4924008, 5334342, 5471120, 6155010, 6565344, 7112456, 8001513, 8206680, 8753792, 8890570, 9848016, 10668684, 10942240, 12310020, 13130688, 13335855, 14224912, 16003026, 16413360, 17507584, 17781140, 19696032, 21337368, 21884480, 24620040, 26261376, 26671710, 28449824, 32006052, 32826720, 35015168, 35562280, 39392064, 40007565, 42674736, 43768960, 49240080, 52522752, 53343420, 56899648, 64012104, 65653440, 71124560, 78784128, 80015130, 85349472, 87537920, 98480160, 105045504, 106686840, 113799296, 128024208, 131306880, 142249120, 157568256, 160030260, 170698944, 175075840, 196960320, 213373680, 227598592, 256048416, 262613760, 284498240, 315136512, 320060520, 341397888, 393920640, 426747360, 455197184, 512096832, 525227520, 568996480, 640121040, 682795776, 787841280, 853494720, 1024193664, 1137992960, 1280242080, 1365591552, 1575682560, 1706989440, 2048387328, 2275985920, 2560484160, 3413978880, 4096774656, 5120968320, 6827957760, 10241936640, 20483873280]

約数ペア:

[(1, 20483873280), (2, 10241936640), (3, 6827957760), (4, 5120968320), (5, 4096774656), (6, 3413978880), (8, 2560484160), (9, 2275985920), (10, 2048387328), (12, 1706989440), (13, 1575682560), (15, 1365591552), (16, 1280242080), (18, 1137992960), (20, 1024193664), (24, 853494720), (26, 787841280), (30, 682795776), (32, 640121040), (36, 568996480), (39, 525227520), (40, 512096832), (45, 455197184), (48, 426747360), (52, 393920640), (60, 341397888), (64, 320060520), (65, 315136512), (72, 284498240), (78, 262613760), (80, 256048416), (90, 227598592), (96, 213373680), (104, 196960320), (117, 175075840), (120, 170698944), (128, 160030260), (130, 157568256), (144, 142249120), (156, 131306880), (160, 128024208), (180, 113799296), (192, 106686840), (195, 105045504), (208, 98480160), (234, 87537920), (240, 85349472), (256, 80015130), (260, 78784128), (288, 71124560), (312, 65653440), (320, 64012104), (360, 56899648), (384, 53343420), (390, 52522752), (416, 49240080), (468, 43768960), (480, 42674736), (512, 40007565), (520, 39392064), (576, 35562280), (585, 35015168), (624, 32826720), (640, 32006052), (720, 28449824), (768, 26671710), (780, 26261376), (832, 24620040), (936, 21884480), (960, 21337368), (1040, 19696032), (1152, 17781140), (1170, 17507584), (1248, 16413360), (1280, 16003026), (1440, 14224912), (1536, 13335855), (1560, 13130688), (1664, 12310020), (1872, 10942240), (1920, 10668684), (2080, 9848016), (2304, 8890570), (2340, 8753792), (2496, 8206680), (2560, 8001513), (2880, 7112456), (3120, 6565344), (3328, 6155010), (3744, 5471120), (3840, 5334342), (4160, 4924008), (4608, 4445285), (4680, 4376896), (4992, 4103340), (5760, 3556228), (6240, 3282672), (6656, 3077505), (7488, 2735560), (7680, 2667171), (8320, 2462004), (9360, 2188448), (9984, 2051670), (11520, 1778114), (12480, 1641336), (14976, 1367780), (16640, 1231002), (18720, 1094224), (19968, 1025835), (23040, 889057), (24960, 820668), (29952, 683890), (33280, 615501), (37440, 547112), (49920, 410334), (59904, 341945), (68389, 299520), (74880, 273556), (99840, 205167), (136778, 149760)]