1686627840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{219613}}^1$

素因数の和:219639

約数の個数: 80

約数和(自身を含む): 5391962928

約数和(自身を除く): 3705335088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 219613, 439226, 658839, 878452, 1098065, 1317678, 1756904, 2196130, 2635356, 3294195, 3513808, 4392260, 5270712, 6588390, 7027616, 8784520, 10541424, 13176780, 14055232, 17569040, 21082848, 26353560, 28110464, 35138080, 42165696, 52707120, 56220928, 70276160, 84331392, 105414240, 112441856, 140552320, 168662784, 210828480, 281104640, 337325568, 421656960, 562209280, 843313920, 1686627840]

約数ペア:

[(1, 1686627840), (2, 843313920), (3, 562209280), (4, 421656960), (5, 337325568), (6, 281104640), (8, 210828480), (10, 168662784), (12, 140552320), (15, 112441856), (16, 105414240), (20, 84331392), (24, 70276160), (30, 56220928), (32, 52707120), (40, 42165696), (48, 35138080), (60, 28110464), (64, 26353560), (80, 21082848), (96, 17569040), (120, 14055232), (128, 13176780), (160, 10541424), (192, 8784520), (240, 7027616), (256, 6588390), (320, 5270712), (384, 4392260), (480, 3513808), (512, 3294195), (640, 2635356), (768, 2196130), (960, 1756904), (1280, 1317678), (1536, 1098065), (1920, 878452), (2560, 658839), (3840, 439226), (7680, 219613)]