163754080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20887}}^1$

素因数の和:20916

約数の個数: 72

約数和(自身を含む): 450052848

約数和(自身を除く): 286298768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20887, 41774, 83548, 104435, 146209, 167096, 208870, 292418, 334192, 417740, 584836, 668384, 731045, 835480, 1023463, 1169672, 1462090, 1670960, 2046926, 2339344, 2924180, 3341920, 4093852, 4678688, 5117315, 5848360, 8187704, 10234630, 11696720, 16375408, 20469260, 23393440, 32750816, 40938520, 81877040, 163754080]

約数ペア:

[(1, 163754080), (2, 81877040), (4, 40938520), (5, 32750816), (7, 23393440), (8, 20469260), (10, 16375408), (14, 11696720), (16, 10234630), (20, 8187704), (28, 5848360), (32, 5117315), (35, 4678688), (40, 4093852), (49, 3341920), (56, 2924180), (70, 2339344), (80, 2046926), (98, 1670960), (112, 1462090), (140, 1169672), (160, 1023463), (196, 835480), (224, 731045), (245, 668384), (280, 584836), (392, 417740), (490, 334192), (560, 292418), (784, 208870), (980, 167096), (1120, 146209), (1568, 104435), (1960, 83548), (3920, 41774), (7840, 20887)]