19791360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{859}}^1$

素因数の和:888

約数の個数: 120

約数和(自身を含む): 68622840

約数和(自身を除く): 48831480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 859, 960, 1152, 1280, 1440, 1536, 1718, 1920, 2304, 2560, 2577, 2880, 3436, 3840, 4295, 4608, 5154, 5760, 6872, 7680, 7731, 8590, 10308, 11520, 12885, 13744, 15462, 17180, 20616, 23040, 25770, 27488, 30924, 34360, 38655, 41232, 51540, 54976, 61848, 68720, 77310, 82464, 103080, 109952, 123696, 137440, 154620, 164928, 206160, 219904, 247392, 274880, 309240, 329856, 412320, 439808, 494784, 549760, 618480, 659712, 824640, 989568, 1099520, 1236960, 1319424, 1649280, 1979136, 2199040, 2473920, 3298560, 3958272, 4947840, 6597120, 9895680, 19791360]

約数ペア:

[(1, 19791360), (2, 9895680), (3, 6597120), (4, 4947840), (5, 3958272), (6, 3298560), (8, 2473920), (9, 2199040), (10, 1979136), (12, 1649280), (15, 1319424), (16, 1236960), (18, 1099520), (20, 989568), (24, 824640), (30, 659712), (32, 618480), (36, 549760), (40, 494784), (45, 439808), (48, 412320), (60, 329856), (64, 309240), (72, 274880), (80, 247392), (90, 219904), (96, 206160), (120, 164928), (128, 154620), (144, 137440), (160, 123696), (180, 109952), (192, 103080), (240, 82464), (256, 77310), (288, 68720), (320, 61848), (360, 54976), (384, 51540), (480, 41232), (512, 38655), (576, 34360), (640, 30924), (720, 27488), (768, 25770), (859, 23040), (960, 20616), (1152, 17180), (1280, 15462), (1440, 13744), (1536, 12885), (1718, 11520), (1920, 10308), (2304, 8590), (2560, 7731), (2577, 7680), (2880, 6872), (3436, 5760), (3840, 5154), (4295, 4608)]