1026780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 2919840

約数和(自身を除く): 1893060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 157, 218, 314, 327, 436, 471, 545, 628, 654, 785, 942, 1090, 1308, 1570, 1635, 1884, 2180, 2355, 3140, 3270, 4710, 6540, 9420, 17113, 34226, 51339, 68452, 85565, 102678, 171130, 205356, 256695, 342260, 513390, 1026780]

約数ペア:

[(1, 1026780), (2, 513390), (3, 342260), (4, 256695), (5, 205356), (6, 171130), (10, 102678), (12, 85565), (15, 68452), (20, 51339), (30, 34226), (60, 17113), (109, 9420), (157, 6540), (218, 4710), (314, 3270), (327, 3140), (436, 2355), (471, 2180), (545, 1884), (628, 1635), (654, 1570), (785, 1308), (942, 1090)]