81193770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128879}}^1$

素因数の和:128899

約数の個数: 48

約数和(自身を含む): 241263360

約数和(自身を除く): 160069590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128879, 257758, 386637, 644395, 773274, 902153, 1159911, 1288790, 1804306, 1933185, 2319822, 2706459, 3866370, 4510765, 5412918, 5799555, 8119377, 9021530, 11599110, 13532295, 16238754, 27064590, 40596885, 81193770]

約数ペア:

[(1, 81193770), (2, 40596885), (3, 27064590), (5, 16238754), (6, 13532295), (7, 11599110), (9, 9021530), (10, 8119377), (14, 5799555), (15, 5412918), (18, 4510765), (21, 3866370), (30, 2706459), (35, 2319822), (42, 1933185), (45, 1804306), (63, 1288790), (70, 1159911), (90, 902153), (105, 773274), (126, 644395), (210, 386637), (315, 257758), (630, 128879)]