820383872

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 2226994560

約数和(自身を除く): 1406610688

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 47, 49, 56, 64, 77, 88, 92, 94, 98, 112, 121, 128, 154, 161, 176, 184, 188, 196, 224, 242, 253, 308, 322, 329, 352, 368, 376, 392, 448, 484, 506, 517, 539, 616, 644, 658, 704, 736, 752, 784, 847, 896, 968, 1012, 1034, 1078, 1081, 1127, 1232, 1288, 1316, 1408, 1472, 1504, 1568, 1694, 1771, 1936, 2024, 2068, 2156, 2162, 2254, 2303, 2464, 2576, 2632, 2783, 2944, 3008, 3136, 3388, 3542, 3619, 3872, 4048, 4136, 4312, 4324, 4508, 4606, 4928, 5152, 5264, 5566, 5687, 5929, 6016, 6272, 6776, 7084, 7238, 7567, 7744, 8096, 8272, 8624, 8648, 9016, 9212, 9856, 10304, 10528, 11132, 11374, 11858, 11891, 12397, 13552, 14168, 14476, 15134, 15488, 16192, 16544, 17248, 17296, 18032, 18424, 19481, 20608, 21056, 22264, 22748, 23716, 23782, 24794, 25333, 27104, 28336, 28952, 30268, 32384, 33088, 34496, 34592, 36064, 36848, 38962, 39809, 42112, 44528, 45496, 47432, 47564, 49588, 50666, 52969, 54208, 56672, 57904, 60536, 66176, 68992, 69184, 72128, 73696, 77924, 79618, 83237, 89056, 90992, 94864, 95128, 99176, 101332, 105938, 108416, 113344, 115808, 121072, 130801, 136367, 138368, 144256, 147392, 155848, 159236, 166474, 178112, 181984, 189728, 190256, 198352, 202664, 211876, 226688, 231616, 242144, 261602, 272734, 278663, 294784, 311696, 318472, 332948, 356224, 363968, 379456, 380512, 396704, 405328, 423752, 463232, 484288, 523204, 545468, 557326, 582659, 623392, 636944, 665896, 727936, 758912, 761024, 793408, 810656, 847504, 915607, 968576, 1046408, 1090936, 1114652, 1165318, 1246784, 1273888, 1331792, 1522048, 1586816, 1621312, 1695008, 1831214, 2092816, 2181872, 2229304, 2330636, 2493568, 2547776, 2663584, 3242624, 3390016, 3662428, 4185632, 4363744, 4458608, 4661272, 5095552, 5327168, 6409249, 6780032, 7324856, 8371264, 8727488, 8917216, 9322544, 10654336, 12818498, 14649712, 16742528, 17454976, 17834432, 18645088, 25636996, 29299424, 35668864, 37290176, 51273992, 58598848, 74580352, 102547984, 117197696, 205095968, 410191936, 820383872]

約数ペア:

[(1, 820383872), (2, 410191936), (4, 205095968), (7, 117197696), (8, 102547984), (11, 74580352), (14, 58598848), (16, 51273992), (22, 37290176), (23, 35668864), (28, 29299424), (32, 25636996), (44, 18645088), (46, 17834432), (47, 17454976), (49, 16742528), (56, 14649712), (64, 12818498), (77, 10654336), (88, 9322544), (92, 8917216), (94, 8727488), (98, 8371264), (112, 7324856), (121, 6780032), (128, 6409249), (154, 5327168), (161, 5095552), (176, 4661272), (184, 4458608), (188, 4363744), (196, 4185632), (224, 3662428), (242, 3390016), (253, 3242624), (308, 2663584), (322, 2547776), (329, 2493568), (352, 2330636), (368, 2229304), (376, 2181872), (392, 2092816), (448, 1831214), (484, 1695008), (506, 1621312), (517, 1586816), (539, 1522048), (616, 1331792), (644, 1273888), (658, 1246784), (704, 1165318), (736, 1114652), (752, 1090936), (784, 1046408), (847, 968576), (896, 915607), (968, 847504), (1012, 810656), (1034, 793408), (1078, 761024), (1081, 758912), (1127, 727936), (1232, 665896), (1288, 636944), (1316, 623392), (1408, 582659), (1472, 557326), (1504, 545468), (1568, 523204), (1694, 484288), (1771, 463232), (1936, 423752), (2024, 405328), (2068, 396704), (2156, 380512), (2162, 379456), (2254, 363968), (2303, 356224), (2464, 332948), (2576, 318472), (2632, 311696), (2783, 294784), (2944, 278663), (3008, 272734), (3136, 261602), (3388, 242144), (3542, 231616), (3619, 226688), (3872, 211876), (4048, 202664), (4136, 198352), (4312, 190256), (4324, 189728), (4508, 181984), (4606, 178112), (4928, 166474), (5152, 159236), (5264, 155848), (5566, 147392), (5687, 144256), (5929, 138368), (6016, 136367), (6272, 130801), (6776, 121072), (7084, 115808), (7238, 113344), (7567, 108416), (7744, 105938), (8096, 101332), (8272, 99176), (8624, 95128), (8648, 94864), (9016, 90992), (9212, 89056), (9856, 83237), (10304, 79618), (10528, 77924), (11132, 73696), (11374, 72128), (11858, 69184), (11891, 68992), (12397, 66176), (13552, 60536), (14168, 57904), (14476, 56672), (15134, 54208), (15488, 52969), (16192, 50666), (16544, 49588), (17248, 47564), (17296, 47432), (18032, 45496), (18424, 44528), (19481, 42112), (20608, 39809), (21056, 38962), (22264, 36848), (22748, 36064), (23716, 34592), (23782, 34496), (24794, 33088), (25333, 32384), (27104, 30268), (28336, 28952)]