81350080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1626

約数の個数: 112

約数和(自身を含む): 231160320

約数和(自身を除く): 149810240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1579, 1610, 1840, 2240, 2576, 3158, 3220, 3680, 5152, 6316, 6440, 7360, 7895, 10304, 11053, 12632, 12880, 15790, 22106, 25264, 25760, 31580, 36317, 44212, 50528, 51520, 55265, 63160, 72634, 88424, 101056, 110530, 126320, 145268, 176848, 181585, 221060, 252640, 254219, 290536, 353696, 363170, 442120, 505280, 508438, 581072, 707392, 726340, 884240, 1016876, 1162144, 1271095, 1452680, 1768480, 2033752, 2324288, 2542190, 2905360, 3536960, 4067504, 5084380, 5810720, 8135008, 10168760, 11621440, 16270016, 20337520, 40675040, 81350080]

約数ペア:

[(1, 81350080), (2, 40675040), (4, 20337520), (5, 16270016), (7, 11621440), (8, 10168760), (10, 8135008), (14, 5810720), (16, 5084380), (20, 4067504), (23, 3536960), (28, 2905360), (32, 2542190), (35, 2324288), (40, 2033752), (46, 1768480), (56, 1452680), (64, 1271095), (70, 1162144), (80, 1016876), (92, 884240), (112, 726340), (115, 707392), (140, 581072), (160, 508438), (161, 505280), (184, 442120), (224, 363170), (230, 353696), (280, 290536), (320, 254219), (322, 252640), (368, 221060), (448, 181585), (460, 176848), (560, 145268), (644, 126320), (736, 110530), (805, 101056), (920, 88424), (1120, 72634), (1288, 63160), (1472, 55265), (1579, 51520), (1610, 50528), (1840, 44212), (2240, 36317), (2576, 31580), (3158, 25760), (3220, 25264), (3680, 22106), (5152, 15790), (6316, 12880), (6440, 12632), (7360, 11053), (7895, 10304)]