1320246480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{785861}}^1$

素因数の和:785884

約数の個数: 80

約数和(自身を含む): 4677450624

約数和(自身を除く): 3357204144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 785861, 1571722, 2357583, 3143444, 3929305, 4715166, 5501027, 6286888, 7858610, 9430332, 11002054, 11787915, 12573776, 15717220, 16503081, 18860664, 22004108, 23575830, 27505135, 31434440, 33006162, 37721328, 44008216, 47151660, 55010270, 62868880, 66012324, 82515405, 88016432, 94303320, 110020540, 132024648, 165030810, 188606640, 220041080, 264049296, 330061620, 440082160, 660123240, 1320246480]

約数ペア:

[(1, 1320246480), (2, 660123240), (3, 440082160), (4, 330061620), (5, 264049296), (6, 220041080), (7, 188606640), (8, 165030810), (10, 132024648), (12, 110020540), (14, 94303320), (15, 88016432), (16, 82515405), (20, 66012324), (21, 62868880), (24, 55010270), (28, 47151660), (30, 44008216), (35, 37721328), (40, 33006162), (42, 31434440), (48, 27505135), (56, 23575830), (60, 22004108), (70, 18860664), (80, 16503081), (84, 15717220), (105, 12573776), (112, 11787915), (120, 11002054), (140, 9430332), (168, 7858610), (210, 6286888), (240, 5501027), (280, 4715166), (336, 3929305), (420, 3143444), (560, 2357583), (840, 1571722), (1680, 785861)]