128746620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715259}}^1$

素因数の和:715274

約数の個数: 36

約数和(自身を含む): 390531960

約数和(自身を除く): 261785340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715259, 1430518, 2145777, 2861036, 3576295, 4291554, 6437331, 7152590, 8583108, 10728885, 12874662, 14305180, 21457770, 25749324, 32186655, 42915540, 64373310, 128746620]

約数ペア:

[(1, 128746620), (2, 64373310), (3, 42915540), (4, 32186655), (5, 25749324), (6, 21457770), (9, 14305180), (10, 12874662), (12, 10728885), (15, 8583108), (18, 7152590), (20, 6437331), (30, 4291554), (36, 3576295), (45, 2861036), (60, 2145777), (90, 1430518), (180, 715259)]