63745640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227663}}^1$

素因数の和:227681

約数の個数: 32

約数和(自身を含む): 163918080

約数和(自身を除く): 100172440

約数列:

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

約数ペア:

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