81931392

素因数分解:

$2^7\times 3^3\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 244963200

約数和(自身を除く): 163031808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 151, 157, 192, 216, 288, 302, 314, 384, 432, 453, 471, 576, 604, 628, 864, 906, 942, 1152, 1208, 1256, 1359, 1413, 1728, 1812, 1884, 2416, 2512, 2718, 2826, 3456, 3624, 3768, 4077, 4239, 4832, 5024, 5436, 5652, 7248, 7536, 8154, 8478, 9664, 10048, 10872, 11304, 14496, 15072, 16308, 16956, 19328, 20096, 21744, 22608, 23707, 28992, 30144, 32616, 33912, 43488, 45216, 47414, 57984, 60288, 65232, 67824, 71121, 86976, 90432, 94828, 130464, 135648, 142242, 173952, 180864, 189656, 213363, 260928, 271296, 284484, 379312, 426726, 521856, 542592, 568968, 640089, 758624, 853452, 1137936, 1280178, 1517248, 1706904, 2275872, 2560356, 3034496, 3413808, 4551744, 5120712, 6827616, 9103488, 10241424, 13655232, 20482848, 27310464, 40965696, 81931392]

約数ペア:

[(1, 81931392), (2, 40965696), (3, 27310464), (4, 20482848), (6, 13655232), (8, 10241424), (9, 9103488), (12, 6827616), (16, 5120712), (18, 4551744), (24, 3413808), (27, 3034496), (32, 2560356), (36, 2275872), (48, 1706904), (54, 1517248), (64, 1280178), (72, 1137936), (96, 853452), (108, 758624), (128, 640089), (144, 568968), (151, 542592), (157, 521856), (192, 426726), (216, 379312), (288, 284484), (302, 271296), (314, 260928), (384, 213363), (432, 189656), (453, 180864), (471, 173952), (576, 142242), (604, 135648), (628, 130464), (864, 94828), (906, 90432), (942, 86976), (1152, 71121), (1208, 67824), (1256, 65232), (1359, 60288), (1413, 57984), (1728, 47414), (1812, 45216), (1884, 43488), (2416, 33912), (2512, 32616), (2718, 30144), (2826, 28992), (3456, 23707), (3624, 22608), (3768, 21744), (4077, 20096), (4239, 19328), (4832, 16956), (5024, 16308), (5436, 15072), (5652, 14496), (7248, 11304), (7536, 10872), (8154, 10048), (8478, 9664)]