128535720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1071131}}^1$

素因数の和:1071145

約数の個数: 32

約数和(自身を含む): 385607520

約数和(自身を除く): 257071800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1071131, 2142262, 3213393, 4284524, 5355655, 6426786, 8569048, 10711310, 12853572, 16066965, 21422620, 25707144, 32133930, 42845240, 64267860, 128535720]

約数ペア:

[(1, 128535720), (2, 64267860), (3, 42845240), (4, 32133930), (5, 25707144), (6, 21422620), (8, 16066965), (10, 12853572), (12, 10711310), (15, 8569048), (20, 6426786), (24, 5355655), (30, 4284524), (40, 3213393), (60, 2142262), (120, 1071131)]