81435456

素因数分解:

$2^6\times 3^4\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:730

約数の個数: 140

約数和(自身を含む): 252264672

約数和(自身を除く): 170829216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 192, 207, 216, 276, 288, 324, 368, 414, 432, 552, 576, 621, 648, 683, 736, 828, 864, 1104, 1242, 1296, 1366, 1472, 1656, 1728, 1863, 2049, 2208, 2484, 2592, 2732, 3312, 3726, 4098, 4416, 4968, 5184, 5464, 6147, 6624, 7452, 8196, 9936, 10928, 12294, 13248, 14904, 15709, 16392, 18441, 19872, 21856, 24588, 29808, 31418, 32784, 36882, 39744, 43712, 47127, 49176, 55323, 59616, 62836, 65568, 73764, 94254, 98352, 110646, 119232, 125672, 131136, 141381, 147528, 188508, 196704, 221292, 251344, 282762, 295056, 377016, 393408, 424143, 442584, 502688, 565524, 590112, 754032, 848286, 885168, 1005376, 1131048, 1180224, 1272429, 1508064, 1696572, 1770336, 2262096, 2544858, 3016128, 3393144, 3540672, 4524192, 5089716, 6786288, 9048384, 10179432, 13572576, 20358864, 27145152, 40717728, 81435456]

約数ペア:

[(1, 81435456), (2, 40717728), (3, 27145152), (4, 20358864), (6, 13572576), (8, 10179432), (9, 9048384), (12, 6786288), (16, 5089716), (18, 4524192), (23, 3540672), (24, 3393144), (27, 3016128), (32, 2544858), (36, 2262096), (46, 1770336), (48, 1696572), (54, 1508064), (64, 1272429), (69, 1180224), (72, 1131048), (81, 1005376), (92, 885168), (96, 848286), (108, 754032), (138, 590112), (144, 565524), (162, 502688), (184, 442584), (192, 424143), (207, 393408), (216, 377016), (276, 295056), (288, 282762), (324, 251344), (368, 221292), (414, 196704), (432, 188508), (552, 147528), (576, 141381), (621, 131136), (648, 125672), (683, 119232), (736, 110646), (828, 98352), (864, 94254), (1104, 73764), (1242, 65568), (1296, 62836), (1366, 59616), (1472, 55323), (1656, 49176), (1728, 47127), (1863, 43712), (2049, 39744), (2208, 36882), (2484, 32784), (2592, 31418), (2732, 29808), (3312, 24588), (3726, 21856), (4098, 19872), (4416, 18441), (4968, 16392), (5184, 15709), (5464, 14904), (6147, 13248), (6624, 12294), (7452, 10928), (8196, 9936)]