1280747520

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1115

約数の個数: 288

約数和(自身を含む): 4784761800

約数和(自身を除く): 3504014280

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, 1024, 1040, 1069, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2048, 2080, 2138, 2304, 2340, 2496, 2560, 2880, 3072, 3120, 3207, 3328, 3744, 3840, 4160, 4276, 4608, 4680, 4992, 5120, 5345, 5760, 6144, 6240, 6414, 6656, 7488, 7680, 8320, 8552, 9216, 9360, 9621, 9984, 10240, 10690, 11520, 12480, 12828, 13312, 13897, 14976, 15360, 16035, 16640, 17104, 18432, 18720, 19242, 19968, 21380, 23040, 24960, 25656, 26624, 27794, 29952, 30720, 32070, 33280, 34208, 37440, 38484, 39936, 41691, 42760, 46080, 48105, 49920, 51312, 55588, 59904, 64140, 66560, 68416, 69485, 74880, 76968, 79872, 83382, 85520, 92160, 96210, 99840, 102624, 111176, 119808, 125073, 128280, 133120, 136832, 138970, 149760, 153936, 166764, 171040, 192420, 199680, 205248, 208455, 222352, 239616, 250146, 256560, 273664, 277940, 299520, 307872, 333528, 342080, 384840, 399360, 410496, 416910, 444704, 500292, 513120, 547328, 555880, 599040, 615744, 625365, 667056, 684160, 769680, 820992, 833820, 889408, 1000584, 1026240, 1094656, 1111760, 1198080, 1231488, 1250730, 1334112, 1368320, 1539360, 1641984, 1667640, 1778816, 2001168, 2052480, 2189312, 2223520, 2462976, 2501460, 2668224, 2736640, 3078720, 3283968, 3335280, 3557632, 4002336, 4104960, 4447040, 4925952, 5002920, 5336448, 5473280, 6157440, 6567936, 6670560, 7115264, 8004672, 8209920, 8894080, 9851904, 10005840, 10672896, 10946560, 12314880, 13341120, 14230528, 16009344, 16419840, 17788160, 19703808, 20011680, 21345792, 24629760, 26682240, 28461056, 32018688, 32839680, 35576320, 40023360, 42691584, 49259520, 53364480, 64037376, 71152640, 80046720, 85383168, 98519040, 106728960, 128074752, 142305280, 160093440, 213457920, 256149504, 320186880, 426915840, 640373760, 1280747520]

約数ペア:

[(1, 1280747520), (2, 640373760), (3, 426915840), (4, 320186880), (5, 256149504), (6, 213457920), (8, 160093440), (9, 142305280), (10, 128074752), (12, 106728960), (13, 98519040), (15, 85383168), (16, 80046720), (18, 71152640), (20, 64037376), (24, 53364480), (26, 49259520), (30, 42691584), (32, 40023360), (36, 35576320), (39, 32839680), (40, 32018688), (45, 28461056), (48, 26682240), (52, 24629760), (60, 21345792), (64, 20011680), (65, 19703808), (72, 17788160), (78, 16419840), (80, 16009344), (90, 14230528), (96, 13341120), (104, 12314880), (117, 10946560), (120, 10672896), (128, 10005840), (130, 9851904), (144, 8894080), (156, 8209920), (160, 8004672), (180, 7115264), (192, 6670560), (195, 6567936), (208, 6157440), (234, 5473280), (240, 5336448), (256, 5002920), (260, 4925952), (288, 4447040), (312, 4104960), (320, 4002336), (360, 3557632), (384, 3335280), (390, 3283968), (416, 3078720), (468, 2736640), (480, 2668224), (512, 2501460), (520, 2462976), (576, 2223520), (585, 2189312), (624, 2052480), (640, 2001168), (720, 1778816), (768, 1667640), (780, 1641984), (832, 1539360), (936, 1368320), (960, 1334112), (1024, 1250730), (1040, 1231488), (1069, 1198080), (1152, 1111760), (1170, 1094656), (1248, 1026240), (1280, 1000584), (1440, 889408), (1536, 833820), (1560, 820992), (1664, 769680), (1872, 684160), (1920, 667056), (2048, 625365), (2080, 615744), (2138, 599040), (2304, 555880), (2340, 547328), (2496, 513120), (2560, 500292), (2880, 444704), (3072, 416910), (3120, 410496), (3207, 399360), (3328, 384840), (3744, 342080), (3840, 333528), (4160, 307872), (4276, 299520), (4608, 277940), (4680, 273664), (4992, 256560), (5120, 250146), (5345, 239616), (5760, 222352), (6144, 208455), (6240, 205248), (6414, 199680), (6656, 192420), (7488, 171040), (7680, 166764), (8320, 153936), (8552, 149760), (9216, 138970), (9360, 136832), (9621, 133120), (9984, 128280), (10240, 125073), (10690, 119808), (11520, 111176), (12480, 102624), (12828, 99840), (13312, 96210), (13897, 92160), (14976, 85520), (15360, 83382), (16035, 79872), (16640, 76968), (17104, 74880), (18432, 69485), (18720, 68416), (19242, 66560), (19968, 64140), (21380, 59904), (23040, 55588), (24960, 51312), (25656, 49920), (26624, 48105), (27794, 46080), (29952, 42760), (30720, 41691), (32070, 39936), (33280, 38484), (34208, 37440)]