8439780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{140663}}^1$

素因数の和:140675

約数の個数: 24

約数和(自身を含む): 23631552

約数和(自身を除く): 15191772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 140663, 281326, 421989, 562652, 703315, 843978, 1406630, 1687956, 2109945, 2813260, 4219890, 8439780]

約数ペア:

[(1, 8439780), (2, 4219890), (3, 2813260), (4, 2109945), (5, 1687956), (6, 1406630), (10, 843978), (12, 703315), (15, 562652), (20, 421989), (30, 281326), (60, 140663)]