257399424

素因数分解:

$2^7\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1143

約数の個数: 128

約数和(自身を含む): 771120000

約数和(自身を除く): 513720576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 96, 108, 128, 142, 144, 192, 213, 216, 284, 288, 384, 426, 432, 568, 576, 639, 852, 864, 1049, 1136, 1152, 1278, 1704, 1728, 1917, 2098, 2272, 2556, 3147, 3408, 3456, 3834, 4196, 4544, 5112, 6294, 6816, 7668, 8392, 9088, 9441, 10224, 12588, 13632, 15336, 16784, 18882, 20448, 25176, 27264, 28323, 30672, 33568, 37764, 40896, 50352, 56646, 61344, 67136, 74479, 75528, 81792, 100704, 113292, 122688, 134272, 148958, 151056, 201408, 223437, 226584, 245376, 297916, 302112, 402816, 446874, 453168, 595832, 604224, 670311, 893748, 906336, 1191664, 1208448, 1340622, 1787496, 1812672, 2010933, 2383328, 2681244, 3574992, 3625344, 4021866, 4766656, 5362488, 7149984, 8043732, 9533312, 10724976, 14299968, 16087464, 21449952, 28599936, 32174928, 42899904, 64349856, 85799808, 128699712, 257399424]

約数ペア:

[(1, 257399424), (2, 128699712), (3, 85799808), (4, 64349856), (6, 42899904), (8, 32174928), (9, 28599936), (12, 21449952), (16, 16087464), (18, 14299968), (24, 10724976), (27, 9533312), (32, 8043732), (36, 7149984), (48, 5362488), (54, 4766656), (64, 4021866), (71, 3625344), (72, 3574992), (96, 2681244), (108, 2383328), (128, 2010933), (142, 1812672), (144, 1787496), (192, 1340622), (213, 1208448), (216, 1191664), (284, 906336), (288, 893748), (384, 670311), (426, 604224), (432, 595832), (568, 453168), (576, 446874), (639, 402816), (852, 302112), (864, 297916), (1049, 245376), (1136, 226584), (1152, 223437), (1278, 201408), (1704, 151056), (1728, 148958), (1917, 134272), (2098, 122688), (2272, 113292), (2556, 100704), (3147, 81792), (3408, 75528), (3456, 74479), (3834, 67136), (4196, 61344), (4544, 56646), (5112, 50352), (6294, 40896), (6816, 37764), (7668, 33568), (8392, 30672), (9088, 28323), (9441, 27264), (10224, 25176), (12588, 20448), (13632, 18882), (15336, 16784)]