205652480

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 550946880

約数和(自身を除く): 345294400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 109, 110, 128, 134, 160, 176, 218, 220, 256, 268, 320, 335, 352, 436, 440, 512, 536, 545, 640, 670, 704, 737, 872, 880, 1072, 1090, 1199, 1280, 1340, 1408, 1474, 1744, 1760, 2144, 2180, 2398, 2560, 2680, 2816, 2948, 3488, 3520, 3685, 4288, 4360, 4796, 5360, 5632, 5896, 5995, 6976, 7040, 7303, 7370, 8576, 8720, 9592, 10720, 11792, 11990, 13952, 14080, 14606, 14740, 17152, 17440, 19184, 21440, 23584, 23980, 27904, 28160, 29212, 29480, 34304, 34880, 36515, 38368, 42880, 47168, 47960, 55808, 58424, 58960, 69760, 73030, 76736, 80333, 85760, 94336, 95920, 116848, 117920, 139520, 146060, 153472, 160666, 171520, 188672, 191840, 233696, 235840, 279040, 292120, 306944, 321332, 377344, 383680, 401665, 467392, 471680, 584240, 613888, 642664, 767360, 803330, 934784, 943360, 1168480, 1285328, 1534720, 1606660, 1869568, 1886720, 2336960, 2570656, 3069440, 3213320, 3739136, 4673920, 5141312, 6426640, 9347840, 10282624, 12853280, 18695680, 20565248, 25706560, 41130496, 51413120, 102826240, 205652480]

約数ペア:

[(1, 205652480), (2, 102826240), (4, 51413120), (5, 41130496), (8, 25706560), (10, 20565248), (11, 18695680), (16, 12853280), (20, 10282624), (22, 9347840), (32, 6426640), (40, 5141312), (44, 4673920), (55, 3739136), (64, 3213320), (67, 3069440), (80, 2570656), (88, 2336960), (109, 1886720), (110, 1869568), (128, 1606660), (134, 1534720), (160, 1285328), (176, 1168480), (218, 943360), (220, 934784), (256, 803330), (268, 767360), (320, 642664), (335, 613888), (352, 584240), (436, 471680), (440, 467392), (512, 401665), (536, 383680), (545, 377344), (640, 321332), (670, 306944), (704, 292120), (737, 279040), (872, 235840), (880, 233696), (1072, 191840), (1090, 188672), (1199, 171520), (1280, 160666), (1340, 153472), (1408, 146060), (1474, 139520), (1744, 117920), (1760, 116848), (2144, 95920), (2180, 94336), (2398, 85760), (2560, 80333), (2680, 76736), (2816, 73030), (2948, 69760), (3488, 58960), (3520, 58424), (3685, 55808), (4288, 47960), (4360, 47168), (4796, 42880), (5360, 38368), (5632, 36515), (5896, 34880), (5995, 34304), (6976, 29480), (7040, 29212), (7303, 28160), (7370, 27904), (8576, 23980), (8720, 23584), (9592, 21440), (10720, 19184), (11792, 17440), (11990, 17152), (13952, 14740), (14080, 14606)]