328702923440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1\times {\mathrm{39883}}^1$

素因数の和:41418

約数の個数: 80

約数和(自身を含む): 775551718656

約数和(自身を除く): 446848795216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1451, 2840, 2902, 5680, 5804, 7255, 11608, 14510, 23216, 29020, 39883, 58040, 79766, 103021, 116080, 159532, 199415, 206042, 319064, 398830, 412084, 515105, 638128, 797660, 824168, 1030210, 1595320, 1648336, 2060420, 2831693, 3190640, 4120840, 5663386, 8241680, 11326772, 14158465, 22653544, 28316930, 45307088, 56633860, 57870233, 113267720, 115740466, 226535440, 231480932, 289351165, 462961864, 578702330, 925923728, 1157404660, 2314809320, 4108786543, 4629618640, 8217573086, 16435146172, 20543932715, 32870292344, 41087865430, 65740584688, 82175730860, 164351461720, 328702923440]

約数ペア:

[(1, 328702923440), (2, 164351461720), (4, 82175730860), (5, 65740584688), (8, 41087865430), (10, 32870292344), (16, 20543932715), (20, 16435146172), (40, 8217573086), (71, 4629618640), (80, 4108786543), (142, 2314809320), (284, 1157404660), (355, 925923728), (568, 578702330), (710, 462961864), (1136, 289351165), (1420, 231480932), (1451, 226535440), (2840, 115740466), (2902, 113267720), (5680, 57870233), (5804, 56633860), (7255, 45307088), (11608, 28316930), (14510, 22653544), (23216, 14158465), (29020, 11326772), (39883, 8241680), (58040, 5663386), (79766, 4120840), (103021, 3190640), (116080, 2831693), (159532, 2060420), (199415, 1648336), (206042, 1595320), (319064, 1030210), (398830, 824168), (412084, 797660), (515105, 638128)]