87141180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207479}}^1$

素因数の和:207498

約数の個数: 48

約数和(自身を含む): 278853120

約数和(自身を除く): 191711940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 207479, 414958, 622437, 829916, 1037395, 1244874, 1452353, 2074790, 2489748, 2904706, 3112185, 4149580, 4357059, 5809412, 6224370, 7261765, 8714118, 12448740, 14523530, 17428236, 21785295, 29047060, 43570590, 87141180]

約数ペア:

[(1, 87141180), (2, 43570590), (3, 29047060), (4, 21785295), (5, 17428236), (6, 14523530), (7, 12448740), (10, 8714118), (12, 7261765), (14, 6224370), (15, 5809412), (20, 4357059), (21, 4149580), (28, 3112185), (30, 2904706), (35, 2489748), (42, 2074790), (60, 1452353), (70, 1244874), (84, 1037395), (105, 829916), (140, 622437), (210, 414958), (420, 207479)]