81163264

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 132

約数和(自身を含む): 203782944

約数和(自身を除く): 122619680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 128, 134, 169, 182, 208, 224, 256, 268, 338, 364, 416, 448, 469, 512, 536, 676, 728, 832, 871, 896, 938, 1024, 1072, 1183, 1352, 1456, 1664, 1742, 1792, 1876, 2144, 2366, 2704, 2912, 3328, 3484, 3584, 3752, 4288, 4732, 5408, 5824, 6097, 6656, 6968, 7168, 7504, 8576, 9464, 10816, 11323, 11648, 12194, 13312, 13936, 15008, 17152, 18928, 21632, 22646, 23296, 24388, 27872, 30016, 34304, 37856, 43264, 45292, 46592, 48776, 55744, 60032, 68608, 75712, 79261, 86528, 90584, 93184, 97552, 111488, 120064, 151424, 158522, 173056, 181168, 195104, 222976, 240128, 302848, 317044, 362336, 390208, 445952, 480256, 605696, 634088, 724672, 780416, 891904, 1211392, 1268176, 1449344, 1560832, 2536352, 2898688, 3121664, 5072704, 5797376, 6243328, 10145408, 11594752, 20290816, 40581632, 81163264]

約数ペア:

[(1, 81163264), (2, 40581632), (4, 20290816), (7, 11594752), (8, 10145408), (13, 6243328), (14, 5797376), (16, 5072704), (26, 3121664), (28, 2898688), (32, 2536352), (52, 1560832), (56, 1449344), (64, 1268176), (67, 1211392), (91, 891904), (104, 780416), (112, 724672), (128, 634088), (134, 605696), (169, 480256), (182, 445952), (208, 390208), (224, 362336), (256, 317044), (268, 302848), (338, 240128), (364, 222976), (416, 195104), (448, 181168), (469, 173056), (512, 158522), (536, 151424), (676, 120064), (728, 111488), (832, 97552), (871, 93184), (896, 90584), (938, 86528), (1024, 79261), (1072, 75712), (1183, 68608), (1352, 60032), (1456, 55744), (1664, 48776), (1742, 46592), (1792, 45292), (1876, 43264), (2144, 37856), (2366, 34304), (2704, 30016), (2912, 27872), (3328, 24388), (3484, 23296), (3584, 22646), (3752, 21632), (4288, 18928), (4732, 17152), (5408, 15008), (5824, 13936), (6097, 13312), (6656, 12194), (6968, 11648), (7168, 11323), (7504, 10816), (8576, 9464)]