66591280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118913}}^1$

素因数の和:118933

約数の個数: 40

約数和(自身を含む): 176944032

約数和(自身を除く): 110352752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118913, 237826, 475652, 594565, 832391, 951304, 1189130, 1664782, 1902608, 2378260, 3329564, 4161955, 4756520, 6659128, 8323910, 9513040, 13318256, 16647820, 33295640, 66591280]

約数ペア:

[(1, 66591280), (2, 33295640), (4, 16647820), (5, 13318256), (7, 9513040), (8, 8323910), (10, 6659128), (14, 4756520), (16, 4161955), (20, 3329564), (28, 2378260), (35, 1902608), (40, 1664782), (56, 1189130), (70, 951304), (80, 832391), (112, 594565), (140, 475652), (280, 237826), (560, 118913)]