128638368

素因数分解:

$2^5\times 3^5\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 386358336

約数和(自身を除く): 257719968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 71, 72, 81, 96, 108, 142, 144, 162, 213, 216, 233, 243, 284, 288, 324, 426, 432, 466, 486, 568, 639, 648, 699, 852, 864, 932, 972, 1136, 1278, 1296, 1398, 1704, 1864, 1917, 1944, 2097, 2272, 2556, 2592, 2796, 3408, 3728, 3834, 3888, 4194, 5112, 5592, 5751, 6291, 6816, 7456, 7668, 7776, 8388, 10224, 11184, 11502, 12582, 15336, 16543, 16776, 17253, 18873, 20448, 22368, 23004, 25164, 30672, 33086, 33552, 34506, 37746, 46008, 49629, 50328, 56619, 61344, 66172, 67104, 69012, 75492, 92016, 99258, 100656, 113238, 132344, 138024, 148887, 150984, 184032, 198516, 201312, 226476, 264688, 276048, 297774, 301968, 397032, 446661, 452952, 529376, 552096, 595548, 603936, 794064, 893322, 905904, 1191096, 1339983, 1588128, 1786644, 1811808, 2382192, 2679966, 3573288, 4019949, 4764384, 5359932, 7146576, 8039898, 10719864, 14293152, 16079796, 21439728, 32159592, 42879456, 64319184, 128638368]

約数ペア:

[(1, 128638368), (2, 64319184), (3, 42879456), (4, 32159592), (6, 21439728), (8, 16079796), (9, 14293152), (12, 10719864), (16, 8039898), (18, 7146576), (24, 5359932), (27, 4764384), (32, 4019949), (36, 3573288), (48, 2679966), (54, 2382192), (71, 1811808), (72, 1786644), (81, 1588128), (96, 1339983), (108, 1191096), (142, 905904), (144, 893322), (162, 794064), (213, 603936), (216, 595548), (233, 552096), (243, 529376), (284, 452952), (288, 446661), (324, 397032), (426, 301968), (432, 297774), (466, 276048), (486, 264688), (568, 226476), (639, 201312), (648, 198516), (699, 184032), (852, 150984), (864, 148887), (932, 138024), (972, 132344), (1136, 113238), (1278, 100656), (1296, 99258), (1398, 92016), (1704, 75492), (1864, 69012), (1917, 67104), (1944, 66172), (2097, 61344), (2272, 56619), (2556, 50328), (2592, 49629), (2796, 46008), (3408, 37746), (3728, 34506), (3834, 33552), (3888, 33086), (4194, 30672), (5112, 25164), (5592, 23004), (5751, 22368), (6291, 20448), (6816, 18873), (7456, 17253), (7668, 16776), (7776, 16543), (8388, 15336), (10224, 12582), (11184, 11502)]