28782660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20857}}^1$

素因数の和:20892

約数の個数: 48

約数和(自身を含む): 84099456

約数和(自身を除く): 55316796

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, 20857, 41714, 62571, 83428, 104285, 125142, 208570, 250284, 312855, 417140, 479711, 625710, 959422, 1251420, 1439133, 1918844, 2398555, 2878266, 4797110, 5756532, 7195665, 9594220, 14391330, 28782660]

約数ペア:

[(1, 28782660), (2, 14391330), (3, 9594220), (4, 7195665), (5, 5756532), (6, 4797110), (10, 2878266), (12, 2398555), (15, 1918844), (20, 1439133), (23, 1251420), (30, 959422), (46, 625710), (60, 479711), (69, 417140), (92, 312855), (115, 250284), (138, 208570), (230, 125142), (276, 104285), (345, 83428), (460, 62571), (690, 41714), (1380, 20857)]