511440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2147

約数の個数: 40

約数和(自身を含む): 1586208

約数和(自身を除く): 1074768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2131, 4262, 6393, 8524, 10655, 12786, 17048, 21310, 25572, 31965, 34096, 42620, 51144, 63930, 85240, 102288, 127860, 170480, 255720, 511440]

約数ペア:

[(1, 511440), (2, 255720), (3, 170480), (4, 127860), (5, 102288), (6, 85240), (8, 63930), (10, 51144), (12, 42620), (15, 34096), (16, 31965), (20, 25572), (24, 21310), (30, 17048), (40, 12786), (48, 10655), (60, 8524), (80, 6393), (120, 4262), (240, 2131)]