171888640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 208

約数和(自身を含む): 518981760

約数和(自身を除く): 347093120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 109, 110, 112, 128, 140, 154, 160, 176, 218, 220, 224, 256, 280, 308, 320, 352, 385, 436, 440, 448, 512, 545, 560, 616, 640, 704, 763, 770, 872, 880, 896, 1024, 1090, 1120, 1199, 1232, 1280, 1408, 1526, 1540, 1744, 1760, 1792, 2048, 2180, 2240, 2398, 2464, 2560, 2816, 3052, 3080, 3488, 3520, 3584, 3815, 4096, 4360, 4480, 4796, 4928, 5120, 5632, 5995, 6104, 6160, 6976, 7040, 7168, 7630, 8393, 8720, 8960, 9592, 9856, 10240, 11264, 11990, 12208, 12320, 13952, 14080, 14336, 15260, 16786, 17440, 17920, 19184, 19712, 20480, 22528, 23980, 24416, 24640, 27904, 28160, 28672, 30520, 33572, 34880, 35840, 38368, 39424, 41965, 45056, 47960, 48832, 49280, 55808, 56320, 61040, 67144, 69760, 71680, 76736, 78848, 83930, 95920, 97664, 98560, 111616, 112640, 122080, 134288, 139520, 143360, 153472, 157696, 167860, 191840, 195328, 197120, 223232, 225280, 244160, 268576, 279040, 306944, 315392, 335720, 383680, 390656, 394240, 446464, 488320, 537152, 558080, 613888, 671440, 767360, 781312, 788480, 976640, 1074304, 1116160, 1227776, 1342880, 1534720, 1562624, 1576960, 1953280, 2148608, 2232320, 2455552, 2685760, 3069440, 3125248, 3906560, 4297216, 4911104, 5371520, 6138880, 7813120, 8594432, 10743040, 12277760, 15626240, 17188864, 21486080, 24555520, 34377728, 42972160, 85944320, 171888640]

約数ペア:

[(1, 171888640), (2, 85944320), (4, 42972160), (5, 34377728), (7, 24555520), (8, 21486080), (10, 17188864), (11, 15626240), (14, 12277760), (16, 10743040), (20, 8594432), (22, 7813120), (28, 6138880), (32, 5371520), (35, 4911104), (40, 4297216), (44, 3906560), (55, 3125248), (56, 3069440), (64, 2685760), (70, 2455552), (77, 2232320), (80, 2148608), (88, 1953280), (109, 1576960), (110, 1562624), (112, 1534720), (128, 1342880), (140, 1227776), (154, 1116160), (160, 1074304), (176, 976640), (218, 788480), (220, 781312), (224, 767360), (256, 671440), (280, 613888), (308, 558080), (320, 537152), (352, 488320), (385, 446464), (436, 394240), (440, 390656), (448, 383680), (512, 335720), (545, 315392), (560, 306944), (616, 279040), (640, 268576), (704, 244160), (763, 225280), (770, 223232), (872, 197120), (880, 195328), (896, 191840), (1024, 167860), (1090, 157696), (1120, 153472), (1199, 143360), (1232, 139520), (1280, 134288), (1408, 122080), (1526, 112640), (1540, 111616), (1744, 98560), (1760, 97664), (1792, 95920), (2048, 83930), (2180, 78848), (2240, 76736), (2398, 71680), (2464, 69760), (2560, 67144), (2816, 61040), (3052, 56320), (3080, 55808), (3488, 49280), (3520, 48832), (3584, 47960), (3815, 45056), (4096, 41965), (4360, 39424), (4480, 38368), (4796, 35840), (4928, 34880), (5120, 33572), (5632, 30520), (5995, 28672), (6104, 28160), (6160, 27904), (6976, 24640), (7040, 24416), (7168, 23980), (7630, 22528), (8393, 20480), (8720, 19712), (8960, 19184), (9592, 17920), (9856, 17440), (10240, 16786), (11264, 15260), (11990, 14336), (12208, 14080), (12320, 13952)]