61072780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 133358400

約数和(自身を除く): 72285620

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1049, 1420, 2098, 2911, 4196, 5245, 5822, 10490, 11644, 14555, 20980, 29110, 43009, 58220, 74479, 86018, 148958, 172036, 215045, 297916, 372395, 430090, 744790, 860180, 1489580, 3053639, 6107278, 12214556, 15268195, 30536390, 61072780]

約数ペア:

[(1, 61072780), (2, 30536390), (4, 15268195), (5, 12214556), (10, 6107278), (20, 3053639), (41, 1489580), (71, 860180), (82, 744790), (142, 430090), (164, 372395), (205, 297916), (284, 215045), (355, 172036), (410, 148958), (710, 86018), (820, 74479), (1049, 58220), (1420, 43009), (2098, 29110), (2911, 20980), (4196, 14555), (5245, 11644), (5822, 10490)]