340398720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19699}}^1$

素因数の和:19727

約数の個数: 128

約数和(自身を含む): 1205640000

約数和(自身を除く): 865241280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 19699, 39398, 59097, 78796, 98495, 118194, 157592, 177291, 196990, 236388, 295485, 315184, 354582, 393980, 472776, 531873, 590970, 630368, 709164, 787960, 886455, 945552, 1063746, 1181940, 1260736, 1418328, 1575920, 1772910, 1891104, 2127492, 2363880, 2521472, 2659365, 2836656, 3151840, 3545820, 3782208, 4254984, 4727760, 5318730, 5673312, 6303680, 7091640, 7564416, 8509968, 9455520, 10637460, 11346624, 12607360, 14183280, 17019936, 18911040, 21274920, 22693248, 28366560, 34039872, 37822080, 42549840, 56733120, 68079744, 85099680, 113466240, 170199360, 340398720]

約数ペア:

[(1, 340398720), (2, 170199360), (3, 113466240), (4, 85099680), (5, 68079744), (6, 56733120), (8, 42549840), (9, 37822080), (10, 34039872), (12, 28366560), (15, 22693248), (16, 21274920), (18, 18911040), (20, 17019936), (24, 14183280), (27, 12607360), (30, 11346624), (32, 10637460), (36, 9455520), (40, 8509968), (45, 7564416), (48, 7091640), (54, 6303680), (60, 5673312), (64, 5318730), (72, 4727760), (80, 4254984), (90, 3782208), (96, 3545820), (108, 3151840), (120, 2836656), (128, 2659365), (135, 2521472), (144, 2363880), (160, 2127492), (180, 1891104), (192, 1772910), (216, 1575920), (240, 1418328), (270, 1260736), (288, 1181940), (320, 1063746), (360, 945552), (384, 886455), (432, 787960), (480, 709164), (540, 630368), (576, 590970), (640, 531873), (720, 472776), (864, 393980), (960, 354582), (1080, 315184), (1152, 295485), (1440, 236388), (1728, 196990), (1920, 177291), (2160, 157592), (2880, 118194), (3456, 98495), (4320, 78796), (5760, 59097), (8640, 39398), (17280, 19699)]