127491280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227663}}^1$

素因数の和:227683

約数の個数: 40

約数和(自身を含む): 338764032

約数和(自身を除く): 211272752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 227663, 455326, 910652, 1138315, 1593641, 1821304, 2276630, 3187282, 3642608, 4553260, 6374564, 7968205, 9106520, 12749128, 15936410, 18213040, 25498256, 31872820, 63745640, 127491280]

約数ペア:

[(1, 127491280), (2, 63745640), (4, 31872820), (5, 25498256), (7, 18213040), (8, 15936410), (10, 12749128), (14, 9106520), (16, 7968205), (20, 6374564), (28, 4553260), (35, 3642608), (40, 3187282), (56, 2276630), (70, 1821304), (80, 1593641), (112, 1138315), (140, 910652), (280, 455326), (560, 227663)]