81491328

素因数分解:

$2^7\times 3^2\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 236770560

約数和(自身を除く): 155279232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 127, 128, 144, 192, 254, 288, 381, 384, 508, 557, 576, 762, 1016, 1114, 1143, 1152, 1524, 1671, 2032, 2228, 2286, 3048, 3342, 4064, 4456, 4572, 5013, 6096, 6684, 8128, 8912, 9144, 10026, 12192, 13368, 16256, 17824, 18288, 20052, 24384, 26736, 35648, 36576, 40104, 48768, 53472, 70739, 71296, 73152, 80208, 106944, 141478, 146304, 160416, 212217, 213888, 282956, 320832, 424434, 565912, 636651, 641664, 848868, 1131824, 1273302, 1697736, 2263648, 2546604, 3395472, 4527296, 5093208, 6790944, 9054592, 10186416, 13581888, 20372832, 27163776, 40745664, 81491328]

約数ペア:

[(1, 81491328), (2, 40745664), (3, 27163776), (4, 20372832), (6, 13581888), (8, 10186416), (9, 9054592), (12, 6790944), (16, 5093208), (18, 4527296), (24, 3395472), (32, 2546604), (36, 2263648), (48, 1697736), (64, 1273302), (72, 1131824), (96, 848868), (127, 641664), (128, 636651), (144, 565912), (192, 424434), (254, 320832), (288, 282956), (381, 213888), (384, 212217), (508, 160416), (557, 146304), (576, 141478), (762, 106944), (1016, 80208), (1114, 73152), (1143, 71296), (1152, 70739), (1524, 53472), (1671, 48768), (2032, 40104), (2228, 36576), (2286, 35648), (3048, 26736), (3342, 24384), (4064, 20052), (4456, 18288), (4572, 17824), (5013, 16256), (6096, 13368), (6684, 12192), (8128, 10026), (8912, 9144)]