123388928

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 132

約数和(自身を含む): 287693568

約数和(自身を除く): 164304640

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 64, 92, 104, 124, 128, 169, 184, 208, 248, 256, 299, 338, 368, 403, 416, 496, 512, 598, 676, 713, 736, 806, 832, 992, 1024, 1196, 1352, 1426, 1472, 1612, 1664, 1984, 2392, 2704, 2852, 2944, 3224, 3328, 3887, 3968, 4784, 5239, 5408, 5704, 5888, 6448, 6656, 7774, 7936, 9269, 9568, 10478, 10816, 11408, 11776, 12896, 13312, 15548, 15872, 18538, 19136, 20956, 21632, 22816, 23552, 25792, 31096, 31744, 37076, 38272, 41912, 43264, 45632, 51584, 62192, 74152, 76544, 83824, 86528, 91264, 103168, 120497, 124384, 148304, 153088, 167648, 173056, 182528, 206336, 240994, 248768, 296608, 306176, 335296, 365056, 412672, 481988, 497536, 593216, 670592, 730112, 963976, 995072, 1186432, 1341184, 1927952, 1990144, 2372864, 2682368, 3855904, 3980288, 4745728, 5364736, 7711808, 9491456, 15423616, 30847232, 61694464, 123388928]

約数ペア:

[(1, 123388928), (2, 61694464), (4, 30847232), (8, 15423616), (13, 9491456), (16, 7711808), (23, 5364736), (26, 4745728), (31, 3980288), (32, 3855904), (46, 2682368), (52, 2372864), (62, 1990144), (64, 1927952), (92, 1341184), (104, 1186432), (124, 995072), (128, 963976), (169, 730112), (184, 670592), (208, 593216), (248, 497536), (256, 481988), (299, 412672), (338, 365056), (368, 335296), (403, 306176), (416, 296608), (496, 248768), (512, 240994), (598, 206336), (676, 182528), (713, 173056), (736, 167648), (806, 153088), (832, 148304), (992, 124384), (1024, 120497), (1196, 103168), (1352, 91264), (1426, 86528), (1472, 83824), (1612, 76544), (1664, 74152), (1984, 62192), (2392, 51584), (2704, 45632), (2852, 43264), (2944, 41912), (3224, 38272), (3328, 37076), (3887, 31744), (3968, 31096), (4784, 25792), (5239, 23552), (5408, 22816), (5704, 21632), (5888, 20956), (6448, 19136), (6656, 18538), (7774, 15872), (7936, 15548), (9269, 13312), (9568, 12896), (10478, 11776), (10816, 11408)]