28261020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20479}}^1$

素因数の和:20514

約数の個数: 48

約数和(自身を含む): 82575360

約数和(自身を除く): 54314340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20479, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 307185, 409580, 471017, 614370, 942034, 1228740, 1413051, 1884068, 2355085, 2826102, 4710170, 5652204, 7065255, 9420340, 14130510, 28261020]

約数ペア:

[(1, 28261020), (2, 14130510), (3, 9420340), (4, 7065255), (5, 5652204), (6, 4710170), (10, 2826102), (12, 2355085), (15, 1884068), (20, 1413051), (23, 1228740), (30, 942034), (46, 614370), (60, 471017), (69, 409580), (92, 307185), (115, 245748), (138, 204790), (230, 122874), (276, 102395), (345, 81916), (460, 61437), (690, 40958), (1380, 20479)]