263240880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{156691}}^1$

素因数の和:156714

約数の個数: 80

約数和(自身を含む): 932630784

約数和(自身を除く): 669389904

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, 156691, 313382, 470073, 626764, 783455, 940146, 1096837, 1253528, 1566910, 1880292, 2193674, 2350365, 2507056, 3133820, 3290511, 3760584, 4387348, 4700730, 5484185, 6267640, 6581022, 7521168, 8774696, 9401460, 10968370, 12535280, 13162044, 16452555, 17549392, 18802920, 21936740, 26324088, 32905110, 37605840, 43873480, 52648176, 65810220, 87746960, 131620440, 263240880]

約数ペア:

[(1, 263240880), (2, 131620440), (3, 87746960), (4, 65810220), (5, 52648176), (6, 43873480), (7, 37605840), (8, 32905110), (10, 26324088), (12, 21936740), (14, 18802920), (15, 17549392), (16, 16452555), (20, 13162044), (21, 12535280), (24, 10968370), (28, 9401460), (30, 8774696), (35, 7521168), (40, 6581022), (42, 6267640), (48, 5484185), (56, 4700730), (60, 4387348), (70, 3760584), (80, 3290511), (84, 3133820), (105, 2507056), (112, 2350365), (120, 2193674), (140, 1880292), (168, 1566910), (210, 1253528), (240, 1096837), (280, 940146), (336, 783455), (420, 626764), (560, 470073), (840, 313382), (1680, 156691)]