257433240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2145277}}^1$

素因数の和:2145291

約数の個数: 32

約数和(自身を含む): 772300080

約数和(自身を除く): 514866840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2145277, 4290554, 6435831, 8581108, 10726385, 12871662, 17162216, 21452770, 25743324, 32179155, 42905540, 51486648, 64358310, 85811080, 128716620, 257433240]

約数ペア:

[(1, 257433240), (2, 128716620), (3, 85811080), (4, 64358310), (5, 51486648), (6, 42905540), (8, 32179155), (10, 25743324), (12, 21452770), (15, 17162216), (20, 12871662), (24, 10726385), (30, 8581108), (40, 6435831), (60, 4290554), (120, 2145277)]