1209180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2661540

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, 2879, 5758, 8637, 11516, 14395, 17274, 20153, 28790, 34548, 40306, 43185, 57580, 60459, 80612, 86370, 100765, 120918, 172740, 201530, 241836, 302295, 403060, 604590, 1209180]

約数ペア:

[(1, 1209180), (2, 604590), (3, 403060), (4, 302295), (5, 241836), (6, 201530), (7, 172740), (10, 120918), (12, 100765), (14, 86370), (15, 80612), (20, 60459), (21, 57580), (28, 43185), (30, 40306), (35, 34548), (42, 28790), (60, 20153), (70, 17274), (84, 14395), (105, 11516), (140, 8637), (210, 5758), (420, 2879)]