4290780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5526

約数の個数: 48

約数和(自身を含む): 12940704

約数和(自身を除く): 8649924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5501, 11002, 16503, 22004, 27505, 33006, 55010, 66012, 71513, 82515, 110020, 143026, 165030, 214539, 286052, 330060, 357565, 429078, 715130, 858156, 1072695, 1430260, 2145390, 4290780]

約数ペア:

[(1, 4290780), (2, 2145390), (3, 1430260), (4, 1072695), (5, 858156), (6, 715130), (10, 429078), (12, 357565), (13, 330060), (15, 286052), (20, 214539), (26, 165030), (30, 143026), (39, 110020), (52, 82515), (60, 71513), (65, 66012), (78, 55010), (130, 33006), (156, 27505), (195, 22004), (260, 16503), (390, 11002), (780, 5501)]