265551780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340451}}^1$

素因数の和:340476

約数の個数: 48

約数和(自身を含む): 800743104

約数和(自身を除く): 535191324

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, 340451, 680902, 1021353, 1361804, 1702255, 2042706, 3404510, 4085412, 4425863, 5106765, 6809020, 8851726, 10213530, 13277589, 17703452, 20427060, 22129315, 26555178, 44258630, 53110356, 66387945, 88517260, 132775890, 265551780]

約数ペア:

[(1, 265551780), (2, 132775890), (3, 88517260), (4, 66387945), (5, 53110356), (6, 44258630), (10, 26555178), (12, 22129315), (13, 20427060), (15, 17703452), (20, 13277589), (26, 10213530), (30, 8851726), (39, 6809020), (52, 5106765), (60, 4425863), (65, 4085412), (78, 3404510), (130, 2042706), (156, 1702255), (195, 1361804), (260, 1021353), (390, 680902), (780, 340451)]