256278624

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 807206400

約数和(自身を除く): 550927776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 56, 84, 86, 96, 98, 112, 129, 147, 168, 172, 181, 196, 224, 258, 294, 301, 336, 343, 344, 362, 392, 516, 543, 588, 602, 672, 686, 688, 724, 784, 903, 1029, 1032, 1086, 1176, 1204, 1267, 1372, 1376, 1448, 1568, 1806, 2058, 2064, 2107, 2172, 2352, 2408, 2534, 2744, 2896, 3612, 3801, 4116, 4128, 4214, 4344, 4704, 4816, 5068, 5488, 5792, 6321, 7224, 7602, 7783, 8232, 8428, 8688, 8869, 9632, 10136, 10976, 12642, 14448, 14749, 15204, 15566, 16464, 16856, 17376, 17738, 20272, 23349, 25284, 26607, 28896, 29498, 30408, 31132, 32928, 33712, 35476, 40544, 44247, 46698, 50568, 53214, 54481, 58996, 60816, 62083, 62264, 67424, 70952, 88494, 93396, 101136, 106428, 108962, 117992, 121632, 124166, 124528, 141904, 163443, 176988, 186249, 186792, 202272, 212856, 217924, 235984, 248332, 249056, 283808, 326886, 353976, 372498, 373584, 381367, 425712, 435848, 471968, 496664, 653772, 707952, 744996, 747168, 762734, 851424, 871696, 993328, 1144101, 1307544, 1415904, 1489992, 1525468, 1743392, 1986656, 2288202, 2615088, 2669569, 2979984, 3050936, 4576404, 5230176, 5339138, 5959968, 6101872, 8008707, 9152808, 10678276, 12203744, 16017414, 18305616, 21356552, 32034828, 36611232, 42713104, 64069656, 85426208, 128139312, 256278624]

約数ペア:

[(1, 256278624), (2, 128139312), (3, 85426208), (4, 64069656), (6, 42713104), (7, 36611232), (8, 32034828), (12, 21356552), (14, 18305616), (16, 16017414), (21, 12203744), (24, 10678276), (28, 9152808), (32, 8008707), (42, 6101872), (43, 5959968), (48, 5339138), (49, 5230176), (56, 4576404), (84, 3050936), (86, 2979984), (96, 2669569), (98, 2615088), (112, 2288202), (129, 1986656), (147, 1743392), (168, 1525468), (172, 1489992), (181, 1415904), (196, 1307544), (224, 1144101), (258, 993328), (294, 871696), (301, 851424), (336, 762734), (343, 747168), (344, 744996), (362, 707952), (392, 653772), (516, 496664), (543, 471968), (588, 435848), (602, 425712), (672, 381367), (686, 373584), (688, 372498), (724, 353976), (784, 326886), (903, 283808), (1029, 249056), (1032, 248332), (1086, 235984), (1176, 217924), (1204, 212856), (1267, 202272), (1372, 186792), (1376, 186249), (1448, 176988), (1568, 163443), (1806, 141904), (2058, 124528), (2064, 124166), (2107, 121632), (2172, 117992), (2352, 108962), (2408, 106428), (2534, 101136), (2744, 93396), (2896, 88494), (3612, 70952), (3801, 67424), (4116, 62264), (4128, 62083), (4214, 60816), (4344, 58996), (4704, 54481), (4816, 53214), (5068, 50568), (5488, 46698), (5792, 44247), (6321, 40544), (7224, 35476), (7602, 33712), (7783, 32928), (8232, 31132), (8428, 30408), (8688, 29498), (8869, 28896), (9632, 26607), (10136, 25284), (10976, 23349), (12642, 20272), (14448, 17738), (14749, 17376), (15204, 16856), (15566, 16464)]