251478528

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 160

約数和(自身を含む): 806615040

約数和(自身を除く): 555136512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 448, 456, 512, 532, 608, 672, 768, 798, 896, 912, 1064, 1216, 1231, 1344, 1536, 1596, 1792, 1824, 2128, 2432, 2462, 2688, 3192, 3584, 3648, 3693, 4256, 4864, 4924, 5376, 6384, 7296, 7386, 8512, 8617, 9728, 9848, 10752, 12768, 14592, 14772, 17024, 17234, 19696, 23389, 25536, 25851, 29184, 29544, 34048, 34468, 39392, 46778, 51072, 51702, 59088, 68096, 68936, 70167, 78784, 93556, 102144, 103404, 118176, 137872, 140334, 157568, 163723, 187112, 204288, 206808, 236352, 275744, 280668, 315136, 327446, 374224, 413616, 472704, 491169, 551488, 561336, 630272, 654892, 748448, 827232, 945408, 982338, 1102976, 1122672, 1309784, 1496896, 1654464, 1890816, 1964676, 2205952, 2245344, 2619568, 2993792, 3308928, 3929352, 4411904, 4490688, 5239136, 5987584, 6617856, 7858704, 8981376, 10478272, 11975168, 13235712, 15717408, 17962752, 20956544, 31434816, 35925504, 41913088, 62869632, 83826176, 125739264, 251478528]

約数ペア:

[(1, 251478528), (2, 125739264), (3, 83826176), (4, 62869632), (6, 41913088), (7, 35925504), (8, 31434816), (12, 20956544), (14, 17962752), (16, 15717408), (19, 13235712), (21, 11975168), (24, 10478272), (28, 8981376), (32, 7858704), (38, 6617856), (42, 5987584), (48, 5239136), (56, 4490688), (57, 4411904), (64, 3929352), (76, 3308928), (84, 2993792), (96, 2619568), (112, 2245344), (114, 2205952), (128, 1964676), (133, 1890816), (152, 1654464), (168, 1496896), (192, 1309784), (224, 1122672), (228, 1102976), (256, 982338), (266, 945408), (304, 827232), (336, 748448), (384, 654892), (399, 630272), (448, 561336), (456, 551488), (512, 491169), (532, 472704), (608, 413616), (672, 374224), (768, 327446), (798, 315136), (896, 280668), (912, 275744), (1064, 236352), (1216, 206808), (1231, 204288), (1344, 187112), (1536, 163723), (1596, 157568), (1792, 140334), (1824, 137872), (2128, 118176), (2432, 103404), (2462, 102144), (2688, 93556), (3192, 78784), (3584, 70167), (3648, 68936), (3693, 68096), (4256, 59088), (4864, 51702), (4924, 51072), (5376, 46778), (6384, 39392), (7296, 34468), (7386, 34048), (8512, 29544), (8617, 29184), (9728, 25851), (9848, 25536), (10752, 23389), (12768, 19696), (14592, 17234), (14772, 17024)]