393436160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 176

約数和(自身を含む): 1064702016

約数和(自身を除く): 671265856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 256, 257, 260, 299, 320, 368, 416, 460, 512, 514, 520, 598, 640, 736, 832, 920, 1024, 1028, 1040, 1196, 1280, 1285, 1472, 1495, 1664, 1840, 2056, 2080, 2392, 2560, 2570, 2944, 2990, 3328, 3341, 3680, 4112, 4160, 4784, 5120, 5140, 5888, 5911, 5980, 6656, 6682, 7360, 8224, 8320, 9568, 10280, 11776, 11822, 11960, 13312, 13364, 14720, 16448, 16640, 16705, 19136, 20560, 23552, 23644, 23920, 26728, 29440, 29555, 32896, 33280, 33410, 38272, 41120, 47288, 47840, 53456, 58880, 59110, 65792, 66560, 66820, 76544, 76843, 82240, 94576, 95680, 106912, 117760, 118220, 131584, 133640, 153088, 153686, 164480, 189152, 191360, 213824, 236440, 263168, 267280, 306176, 307372, 328960, 378304, 382720, 384215, 427648, 472880, 534560, 614744, 657920, 756608, 765440, 768430, 855296, 945760, 1069120, 1229488, 1315840, 1513216, 1530880, 1536860, 1710592, 1891520, 2138240, 2458976, 3026432, 3073720, 3421184, 3783040, 4276480, 4917952, 6052864, 6147440, 7566080, 8552960, 9835904, 12294880, 15132160, 17105920, 19671808, 24589760, 30264320, 39343616, 49179520, 78687232, 98359040, 196718080, 393436160]

約数ペア:

[(1, 393436160), (2, 196718080), (4, 98359040), (5, 78687232), (8, 49179520), (10, 39343616), (13, 30264320), (16, 24589760), (20, 19671808), (23, 17105920), (26, 15132160), (32, 12294880), (40, 9835904), (46, 8552960), (52, 7566080), (64, 6147440), (65, 6052864), (80, 4917952), (92, 4276480), (104, 3783040), (115, 3421184), (128, 3073720), (130, 3026432), (160, 2458976), (184, 2138240), (208, 1891520), (230, 1710592), (256, 1536860), (257, 1530880), (260, 1513216), (299, 1315840), (320, 1229488), (368, 1069120), (416, 945760), (460, 855296), (512, 768430), (514, 765440), (520, 756608), (598, 657920), (640, 614744), (736, 534560), (832, 472880), (920, 427648), (1024, 384215), (1028, 382720), (1040, 378304), (1196, 328960), (1280, 307372), (1285, 306176), (1472, 267280), (1495, 263168), (1664, 236440), (1840, 213824), (2056, 191360), (2080, 189152), (2392, 164480), (2560, 153686), (2570, 153088), (2944, 133640), (2990, 131584), (3328, 118220), (3341, 117760), (3680, 106912), (4112, 95680), (4160, 94576), (4784, 82240), (5120, 76843), (5140, 76544), (5888, 66820), (5911, 66560), (5980, 65792), (6656, 59110), (6682, 58880), (7360, 53456), (8224, 47840), (8320, 47288), (9568, 41120), (10280, 38272), (11776, 33410), (11822, 33280), (11960, 32896), (13312, 29555), (13364, 29440), (14720, 26728), (16448, 23920), (16640, 23644), (16705, 23552), (19136, 20560)]