81286464

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2004

約数の個数: 112

約数和(自身を含む): 253853696

約数和(自身を除く): 172567232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 651, 672, 744, 868, 992, 1302, 1344, 1488, 1736, 1951, 1984, 2604, 2976, 3472, 3902, 5208, 5853, 5952, 6944, 7804, 10416, 11706, 13657, 13888, 15608, 20832, 23412, 27314, 31216, 40971, 41664, 46824, 54628, 60481, 62432, 81942, 93648, 109256, 120962, 124864, 163884, 181443, 187296, 218512, 241924, 327768, 362886, 374592, 423367, 437024, 483848, 655536, 725772, 846734, 874048, 967696, 1270101, 1311072, 1451544, 1693468, 1935392, 2540202, 2622144, 2903088, 3386936, 3870784, 5080404, 5806176, 6773872, 10160808, 11612352, 13547744, 20321616, 27095488, 40643232, 81286464]

約数ペア:

[(1, 81286464), (2, 40643232), (3, 27095488), (4, 20321616), (6, 13547744), (7, 11612352), (8, 10160808), (12, 6773872), (14, 5806176), (16, 5080404), (21, 3870784), (24, 3386936), (28, 2903088), (31, 2622144), (32, 2540202), (42, 1935392), (48, 1693468), (56, 1451544), (62, 1311072), (64, 1270101), (84, 967696), (93, 874048), (96, 846734), (112, 725772), (124, 655536), (168, 483848), (186, 437024), (192, 423367), (217, 374592), (224, 362886), (248, 327768), (336, 241924), (372, 218512), (434, 187296), (448, 181443), (496, 163884), (651, 124864), (672, 120962), (744, 109256), (868, 93648), (992, 81942), (1302, 62432), (1344, 60481), (1488, 54628), (1736, 46824), (1951, 41664), (1984, 40971), (2604, 31216), (2976, 27314), (3472, 23412), (3902, 20832), (5208, 15608), (5853, 13888), (5952, 13657), (6944, 11706), (7804, 10416)]