131620440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156691}}^1$

素因数の和:156712

約数の個数: 64

約数和(自身を含む): 451272960

約数和(自身を除く): 319652520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 156691, 313382, 470073, 626764, 783455, 940146, 1096837, 1253528, 1566910, 1880292, 2193674, 2350365, 3133820, 3290511, 3760584, 4387348, 4700730, 5484185, 6267640, 6581022, 8774696, 9401460, 10968370, 13162044, 16452555, 18802920, 21936740, 26324088, 32905110, 43873480, 65810220, 131620440]

約数ペア:

[(1, 131620440), (2, 65810220), (3, 43873480), (4, 32905110), (5, 26324088), (6, 21936740), (7, 18802920), (8, 16452555), (10, 13162044), (12, 10968370), (14, 9401460), (15, 8774696), (20, 6581022), (21, 6267640), (24, 5484185), (28, 4700730), (30, 4387348), (35, 3760584), (40, 3290511), (42, 3133820), (56, 2350365), (60, 2193674), (70, 1880292), (84, 1566910), (105, 1253528), (120, 1096837), (140, 940146), (168, 783455), (210, 626764), (280, 470073), (420, 313382), (840, 156691)]