257044480

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 208

約数和(自身を含む): 773754624

約数和(自身を除く): 516710144

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, 110, 112, 128, 140, 154, 160, 163, 176, 220, 224, 256, 280, 308, 320, 326, 352, 385, 440, 448, 512, 560, 616, 640, 652, 704, 770, 815, 880, 896, 1024, 1120, 1141, 1232, 1280, 1304, 1408, 1540, 1630, 1760, 1792, 1793, 2048, 2240, 2282, 2464, 2560, 2608, 2816, 3080, 3260, 3520, 3584, 3586, 4096, 4480, 4564, 4928, 5120, 5216, 5632, 5705, 6160, 6520, 7040, 7168, 7172, 8960, 8965, 9128, 9856, 10240, 10432, 11264, 11410, 12320, 12551, 13040, 14080, 14336, 14344, 17920, 17930, 18256, 19712, 20480, 20864, 22528, 22820, 24640, 25102, 26080, 28160, 28672, 28688, 35840, 35860, 36512, 39424, 41728, 45056, 45640, 49280, 50204, 52160, 56320, 57376, 62755, 71680, 71720, 73024, 78848, 83456, 91280, 98560, 100408, 104320, 112640, 114752, 125510, 143360, 143440, 146048, 157696, 166912, 182560, 197120, 200816, 208640, 225280, 229504, 251020, 286880, 292096, 315392, 333824, 365120, 394240, 401632, 417280, 459008, 502040, 573760, 584192, 667648, 730240, 788480, 803264, 834560, 918016, 1004080, 1147520, 1168384, 1460480, 1576960, 1606528, 1669120, 1836032, 2008160, 2295040, 2336768, 2920960, 3213056, 3338240, 3672064, 4016320, 4590080, 4673536, 5841920, 6426112, 7344128, 8032640, 9180160, 11683840, 12852224, 16065280, 18360320, 23367680, 25704448, 32130560, 36720640, 51408896, 64261120, 128522240, 257044480]

約数ペア:

[(1, 257044480), (2, 128522240), (4, 64261120), (5, 51408896), (7, 36720640), (8, 32130560), (10, 25704448), (11, 23367680), (14, 18360320), (16, 16065280), (20, 12852224), (22, 11683840), (28, 9180160), (32, 8032640), (35, 7344128), (40, 6426112), (44, 5841920), (55, 4673536), (56, 4590080), (64, 4016320), (70, 3672064), (77, 3338240), (80, 3213056), (88, 2920960), (110, 2336768), (112, 2295040), (128, 2008160), (140, 1836032), (154, 1669120), (160, 1606528), (163, 1576960), (176, 1460480), (220, 1168384), (224, 1147520), (256, 1004080), (280, 918016), (308, 834560), (320, 803264), (326, 788480), (352, 730240), (385, 667648), (440, 584192), (448, 573760), (512, 502040), (560, 459008), (616, 417280), (640, 401632), (652, 394240), (704, 365120), (770, 333824), (815, 315392), (880, 292096), (896, 286880), (1024, 251020), (1120, 229504), (1141, 225280), (1232, 208640), (1280, 200816), (1304, 197120), (1408, 182560), (1540, 166912), (1630, 157696), (1760, 146048), (1792, 143440), (1793, 143360), (2048, 125510), (2240, 114752), (2282, 112640), (2464, 104320), (2560, 100408), (2608, 98560), (2816, 91280), (3080, 83456), (3260, 78848), (3520, 73024), (3584, 71720), (3586, 71680), (4096, 62755), (4480, 57376), (4564, 56320), (4928, 52160), (5120, 50204), (5216, 49280), (5632, 45640), (5705, 45056), (6160, 41728), (6520, 39424), (7040, 36512), (7168, 35860), (7172, 35840), (8960, 28688), (8965, 28672), (9128, 28160), (9856, 26080), (10240, 25102), (10432, 24640), (11264, 22820), (11410, 22528), (12320, 20864), (12551, 20480), (13040, 19712), (14080, 18256), (14336, 17930), (14344, 17920)]