259936740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{206299}}^1$

素因数の和:206321

約数の個数: 72

約数和(自身を含む): 901118400

約数和(自身を除く): 641181660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 206299, 412598, 618897, 825196, 1031495, 1237794, 1444093, 1856691, 2062990, 2475588, 2888186, 3094485, 3713382, 4125980, 4332279, 5776372, 6188970, 7220465, 7426764, 8664558, 9283455, 12377940, 12996837, 14440930, 17329116, 18566910, 21661395, 25993674, 28881860, 37133820, 43322790, 51987348, 64984185, 86645580, 129968370, 259936740]

約数ペア:

[(1, 259936740), (2, 129968370), (3, 86645580), (4, 64984185), (5, 51987348), (6, 43322790), (7, 37133820), (9, 28881860), (10, 25993674), (12, 21661395), (14, 18566910), (15, 17329116), (18, 14440930), (20, 12996837), (21, 12377940), (28, 9283455), (30, 8664558), (35, 7426764), (36, 7220465), (42, 6188970), (45, 5776372), (60, 4332279), (63, 4125980), (70, 3713382), (84, 3094485), (90, 2888186), (105, 2475588), (126, 2062990), (140, 1856691), (180, 1444093), (210, 1237794), (252, 1031495), (315, 825196), (420, 618897), (630, 412598), (1260, 206299)]