205320960

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:500

約数の個数: 288

約数和(自身を含む): 786367680

約数和(自身を除く): 581046720

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, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 457, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 914, 936, 960, 1040, 1080, 1152, 1170, 1248, 1280, 1371, 1404, 1440, 1560, 1664, 1728, 1755, 1828, 1872, 1920, 2080, 2160, 2285, 2304, 2340, 2496, 2742, 2808, 2880, 3120, 3328, 3456, 3510, 3656, 3744, 3840, 4113, 4160, 4320, 4570, 4680, 4992, 5484, 5616, 5760, 5941, 6240, 6855, 6912, 7020, 7312, 7488, 8226, 8320, 8640, 9140, 9360, 9984, 10968, 11232, 11520, 11882, 12339, 12480, 13710, 14040, 14624, 14976, 16452, 16640, 17280, 17823, 18280, 18720, 20565, 21936, 22464, 23764, 24678, 24960, 27420, 28080, 29248, 29705, 29952, 32904, 34560, 35646, 36560, 37440, 41130, 43872, 44928, 47528, 49356, 49920, 53469, 54840, 56160, 58496, 59410, 61695, 65808, 71292, 73120, 74880, 82260, 87744, 89115, 89856, 95056, 98712, 106938, 109680, 112320, 116992, 118820, 123390, 131616, 142584, 146240, 149760, 160407, 164520, 175488, 178230, 190112, 197424, 213876, 219360, 224640, 237640, 246780, 263232, 267345, 285168, 292480, 320814, 329040, 350976, 356460, 380224, 394848, 427752, 438720, 449280, 475280, 493560, 526464, 534690, 570336, 584960, 641628, 658080, 712920, 760448, 789696, 802035, 855504, 877440, 950560, 987120, 1052928, 1069380, 1140672, 1283256, 1316160, 1425840, 1520896, 1579392, 1604070, 1711008, 1754880, 1901120, 1974240, 2138760, 2281344, 2566512, 2632320, 2851680, 3158784, 3208140, 3422016, 3802240, 3948480, 4277520, 4562688, 5133024, 5264640, 5703360, 6416280, 6844032, 7604480, 7896960, 8555040, 10266048, 11406720, 12832560, 13688064, 15793920, 17110080, 20532096, 22813440, 25665120, 34220160, 41064192, 51330240, 68440320, 102660480, 205320960]

約数ペア:

[(1, 205320960), (2, 102660480), (3, 68440320), (4, 51330240), (5, 41064192), (6, 34220160), (8, 25665120), (9, 22813440), (10, 20532096), (12, 17110080), (13, 15793920), (15, 13688064), (16, 12832560), (18, 11406720), (20, 10266048), (24, 8555040), (26, 7896960), (27, 7604480), (30, 6844032), (32, 6416280), (36, 5703360), (39, 5264640), (40, 5133024), (45, 4562688), (48, 4277520), (52, 3948480), (54, 3802240), (60, 3422016), (64, 3208140), (65, 3158784), (72, 2851680), (78, 2632320), (80, 2566512), (90, 2281344), (96, 2138760), (104, 1974240), (108, 1901120), (117, 1754880), (120, 1711008), (128, 1604070), (130, 1579392), (135, 1520896), (144, 1425840), (156, 1316160), (160, 1283256), (180, 1140672), (192, 1069380), (195, 1052928), (208, 987120), (216, 950560), (234, 877440), (240, 855504), (256, 802035), (260, 789696), (270, 760448), (288, 712920), (312, 658080), (320, 641628), (351, 584960), (360, 570336), (384, 534690), (390, 526464), (416, 493560), (432, 475280), (457, 449280), (468, 438720), (480, 427752), (520, 394848), (540, 380224), (576, 356460), (585, 350976), (624, 329040), (640, 320814), (702, 292480), (720, 285168), (768, 267345), (780, 263232), (832, 246780), (864, 237640), (914, 224640), (936, 219360), (960, 213876), (1040, 197424), (1080, 190112), (1152, 178230), (1170, 175488), (1248, 164520), (1280, 160407), (1371, 149760), (1404, 146240), (1440, 142584), (1560, 131616), (1664, 123390), (1728, 118820), (1755, 116992), (1828, 112320), (1872, 109680), (1920, 106938), (2080, 98712), (2160, 95056), (2285, 89856), (2304, 89115), (2340, 87744), (2496, 82260), (2742, 74880), (2808, 73120), (2880, 71292), (3120, 65808), (3328, 61695), (3456, 59410), (3510, 58496), (3656, 56160), (3744, 54840), (3840, 53469), (4113, 49920), (4160, 49356), (4320, 47528), (4570, 44928), (4680, 43872), (4992, 41130), (5484, 37440), (5616, 36560), (5760, 35646), (5941, 34560), (6240, 32904), (6855, 29952), (6912, 29705), (7020, 29248), (7312, 28080), (7488, 27420), (8226, 24960), (8320, 24678), (8640, 23764), (9140, 22464), (9360, 21936), (9984, 20565), (10968, 18720), (11232, 18280), (11520, 17823), (11882, 17280), (12339, 16640), (12480, 16452), (13710, 14976), (14040, 14624)]