81494784

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 216

約数和(自身を含む): 278899712

約数和(自身を除く): 197404928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 163, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 326, 336, 372, 384, 434, 448, 489, 496, 504, 558, 576, 651, 652, 672, 744, 768, 868, 896, 978, 992, 1008, 1116, 1141, 1152, 1302, 1304, 1344, 1467, 1488, 1736, 1792, 1953, 1956, 1984, 2016, 2232, 2282, 2304, 2604, 2608, 2688, 2934, 2976, 3423, 3472, 3906, 3912, 3968, 4032, 4464, 4564, 5053, 5208, 5216, 5376, 5868, 5952, 6846, 6944, 7812, 7824, 7936, 8064, 8928, 9128, 10106, 10269, 10416, 10432, 11736, 11904, 13692, 13888, 15159, 15624, 15648, 16128, 17856, 18256, 20212, 20538, 20832, 20864, 23472, 23808, 27384, 27776, 30318, 31248, 31296, 35371, 35712, 36512, 40424, 41076, 41664, 41728, 45477, 46944, 54768, 55552, 60636, 62496, 62592, 70742, 71424, 73024, 80848, 82152, 83328, 90954, 93888, 106113, 109536, 121272, 124992, 125184, 141484, 146048, 161696, 164304, 166656, 181908, 187776, 212226, 219072, 242544, 249984, 282968, 292096, 318339, 323392, 328608, 363816, 375552, 424452, 438144, 485088, 499968, 565936, 636678, 646784, 657216, 727632, 848904, 876288, 970176, 1131872, 1273356, 1293568, 1314432, 1455264, 1697808, 1940352, 2263744, 2546712, 2628864, 2910528, 3395616, 3880704, 4527488, 5093424, 5821056, 6791232, 9054976, 10186848, 11642112, 13582464, 20373696, 27164928, 40747392, 81494784]

約数ペア:

[(1, 81494784), (2, 40747392), (3, 27164928), (4, 20373696), (6, 13582464), (7, 11642112), (8, 10186848), (9, 9054976), (12, 6791232), (14, 5821056), (16, 5093424), (18, 4527488), (21, 3880704), (24, 3395616), (28, 2910528), (31, 2628864), (32, 2546712), (36, 2263744), (42, 1940352), (48, 1697808), (56, 1455264), (62, 1314432), (63, 1293568), (64, 1273356), (72, 1131872), (84, 970176), (93, 876288), (96, 848904), (112, 727632), (124, 657216), (126, 646784), (128, 636678), (144, 565936), (163, 499968), (168, 485088), (186, 438144), (192, 424452), (217, 375552), (224, 363816), (248, 328608), (252, 323392), (256, 318339), (279, 292096), (288, 282968), (326, 249984), (336, 242544), (372, 219072), (384, 212226), (434, 187776), (448, 181908), (489, 166656), (496, 164304), (504, 161696), (558, 146048), (576, 141484), (651, 125184), (652, 124992), (672, 121272), (744, 109536), (768, 106113), (868, 93888), (896, 90954), (978, 83328), (992, 82152), (1008, 80848), (1116, 73024), (1141, 71424), (1152, 70742), (1302, 62592), (1304, 62496), (1344, 60636), (1467, 55552), (1488, 54768), (1736, 46944), (1792, 45477), (1953, 41728), (1956, 41664), (1984, 41076), (2016, 40424), (2232, 36512), (2282, 35712), (2304, 35371), (2604, 31296), (2608, 31248), (2688, 30318), (2934, 27776), (2976, 27384), (3423, 23808), (3472, 23472), (3906, 20864), (3912, 20832), (3968, 20538), (4032, 20212), (4464, 18256), (4564, 17856), (5053, 16128), (5208, 15648), (5216, 15624), (5376, 15159), (5868, 13888), (5952, 13692), (6846, 11904), (6944, 11736), (7812, 10432), (7824, 10416), (7936, 10269), (8064, 10106), (8928, 9128)]