164589180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391879}}^1$

素因数の和:391898

約数の個数: 48

約数和(自身を含む): 526686720

約数和(自身を除く): 362097540

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, 391879, 783758, 1175637, 1567516, 1959395, 2351274, 2743153, 3918790, 4702548, 5486306, 5878185, 7837580, 8229459, 10972612, 11756370, 13715765, 16458918, 23512740, 27431530, 32917836, 41147295, 54863060, 82294590, 164589180]

約数ペア:

[(1, 164589180), (2, 82294590), (3, 54863060), (4, 41147295), (5, 32917836), (6, 27431530), (7, 23512740), (10, 16458918), (12, 13715765), (14, 11756370), (15, 10972612), (20, 8229459), (21, 7837580), (28, 5878185), (30, 5486306), (35, 4702548), (42, 3918790), (60, 2743153), (70, 2351274), (84, 1959395), (105, 1567516), (140, 1175637), (210, 783758), (420, 391879)]