68423680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 104

約数和(自身を含む): 177515352

約数和(自身を除く): 109091672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 257, 260, 320, 416, 512, 514, 520, 640, 832, 1024, 1028, 1040, 1280, 1285, 1664, 2048, 2056, 2080, 2560, 2570, 3328, 3341, 4096, 4112, 4160, 5120, 5140, 6656, 6682, 8224, 8320, 10240, 10280, 13312, 13364, 16448, 16640, 16705, 20480, 20560, 26624, 26728, 32896, 33280, 33410, 41120, 53248, 53456, 65792, 66560, 66820, 82240, 106912, 131584, 133120, 133640, 164480, 213824, 263168, 266240, 267280, 328960, 427648, 526336, 534560, 657920, 855296, 1052672, 1069120, 1315840, 1710592, 2138240, 2631680, 3421184, 4276480, 5263360, 6842368, 8552960, 13684736, 17105920, 34211840, 68423680]

約数ペア:

[(1, 68423680), (2, 34211840), (4, 17105920), (5, 13684736), (8, 8552960), (10, 6842368), (13, 5263360), (16, 4276480), (20, 3421184), (26, 2631680), (32, 2138240), (40, 1710592), (52, 1315840), (64, 1069120), (65, 1052672), (80, 855296), (104, 657920), (128, 534560), (130, 526336), (160, 427648), (208, 328960), (256, 267280), (257, 266240), (260, 263168), (320, 213824), (416, 164480), (512, 133640), (514, 133120), (520, 131584), (640, 106912), (832, 82240), (1024, 66820), (1028, 66560), (1040, 65792), (1280, 53456), (1285, 53248), (1664, 41120), (2048, 33410), (2056, 33280), (2080, 32896), (2560, 26728), (2570, 26624), (3328, 20560), (3341, 20480), (4096, 16705), (4112, 16640), (4160, 16448), (5120, 13364), (5140, 13312), (6656, 10280), (6682, 10240), (8224, 8320)]