681315840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{9857}}^1$

素因数の和:9889

約数の個数: 160

約数和(自身を含む): 2420336160

約数和(自身を除く): 1739020320

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, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 9857, 11520, 13824, 17280, 19714, 23040, 29571, 34560, 39428, 49285, 59142, 69120, 78856, 88713, 98570, 118284, 147855, 157712, 177426, 197140, 236568, 266139, 295710, 315424, 354852, 394280, 443565, 473136, 532278, 591420, 630848, 709704, 788560, 887130, 946272, 1064556, 1182840, 1261696, 1330695, 1419408, 1577120, 1774260, 1892544, 2129112, 2365680, 2523392, 2661390, 2838816, 3154240, 3548520, 3785088, 4258224, 4731360, 5046784, 5322780, 5677632, 6308480, 7097040, 7570176, 8516448, 9462720, 10645560, 11355264, 12616960, 14194080, 15140352, 17032896, 18925440, 21291120, 22710528, 25233920, 28388160, 34065792, 37850880, 42582240, 45421056, 56776320, 68131584, 75701760, 85164480, 113552640, 136263168, 170328960, 227105280, 340657920, 681315840]

約数ペア:

[(1, 681315840), (2, 340657920), (3, 227105280), (4, 170328960), (5, 136263168), (6, 113552640), (8, 85164480), (9, 75701760), (10, 68131584), (12, 56776320), (15, 45421056), (16, 42582240), (18, 37850880), (20, 34065792), (24, 28388160), (27, 25233920), (30, 22710528), (32, 21291120), (36, 18925440), (40, 17032896), (45, 15140352), (48, 14194080), (54, 12616960), (60, 11355264), (64, 10645560), (72, 9462720), (80, 8516448), (90, 7570176), (96, 7097040), (108, 6308480), (120, 5677632), (128, 5322780), (135, 5046784), (144, 4731360), (160, 4258224), (180, 3785088), (192, 3548520), (216, 3154240), (240, 2838816), (256, 2661390), (270, 2523392), (288, 2365680), (320, 2129112), (360, 1892544), (384, 1774260), (432, 1577120), (480, 1419408), (512, 1330695), (540, 1261696), (576, 1182840), (640, 1064556), (720, 946272), (768, 887130), (864, 788560), (960, 709704), (1080, 630848), (1152, 591420), (1280, 532278), (1440, 473136), (1536, 443565), (1728, 394280), (1920, 354852), (2160, 315424), (2304, 295710), (2560, 266139), (2880, 236568), (3456, 197140), (3840, 177426), (4320, 157712), (4608, 147855), (5760, 118284), (6912, 98570), (7680, 88713), (8640, 78856), (9857, 69120), (11520, 59142), (13824, 49285), (17280, 39428), (19714, 34560), (23040, 29571)]