81147840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 112

約数和(自身を含む): 259945632

約数和(自身を除く): 178797792

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, 137, 160, 192, 240, 274, 320, 411, 480, 548, 617, 685, 822, 960, 1096, 1234, 1370, 1644, 1851, 2055, 2192, 2468, 2740, 3085, 3288, 3702, 4110, 4384, 4936, 5480, 6170, 6576, 7404, 8220, 8768, 9255, 9872, 10960, 12340, 13152, 14808, 16440, 18510, 19744, 21920, 24680, 26304, 29616, 32880, 37020, 39488, 43840, 49360, 59232, 65760, 74040, 84529, 98720, 118464, 131520, 148080, 169058, 197440, 253587, 296160, 338116, 422645, 507174, 592320, 676232, 845290, 1014348, 1267935, 1352464, 1690580, 2028696, 2535870, 2704928, 3381160, 4057392, 5071740, 5409856, 6762320, 8114784, 10143480, 13524640, 16229568, 20286960, 27049280, 40573920, 81147840]

約数ペア:

[(1, 81147840), (2, 40573920), (3, 27049280), (4, 20286960), (5, 16229568), (6, 13524640), (8, 10143480), (10, 8114784), (12, 6762320), (15, 5409856), (16, 5071740), (20, 4057392), (24, 3381160), (30, 2704928), (32, 2535870), (40, 2028696), (48, 1690580), (60, 1352464), (64, 1267935), (80, 1014348), (96, 845290), (120, 676232), (137, 592320), (160, 507174), (192, 422645), (240, 338116), (274, 296160), (320, 253587), (411, 197440), (480, 169058), (548, 148080), (617, 131520), (685, 118464), (822, 98720), (960, 84529), (1096, 74040), (1234, 65760), (1370, 59232), (1644, 49360), (1851, 43840), (2055, 39488), (2192, 37020), (2468, 32880), (2740, 29616), (3085, 26304), (3288, 24680), (3702, 21920), (4110, 19744), (4384, 18510), (4936, 16440), (5480, 14808), (6170, 13152), (6576, 12340), (7404, 10960), (8220, 9872), (8768, 9255)]