1771280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3163}}^1$

素因数の和:3183

約数の個数: 40

約数和(自身を含む): 4708032

約数和(自身を除く): 2936752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3163, 6326, 12652, 15815, 22141, 25304, 31630, 44282, 50608, 63260, 88564, 110705, 126520, 177128, 221410, 253040, 354256, 442820, 885640, 1771280]

約数ペア:

[(1, 1771280), (2, 885640), (4, 442820), (5, 354256), (7, 253040), (8, 221410), (10, 177128), (14, 126520), (16, 110705), (20, 88564), (28, 63260), (35, 50608), (40, 44282), (56, 31630), (70, 25304), (80, 22141), (112, 15815), (140, 12652), (280, 6326), (560, 3163)]