8264940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 23331840

約数和(自身を除く): 15066900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 991, 1390, 1668, 1982, 2085, 2780, 2973, 3964, 4170, 4955, 5946, 8340, 9910, 11892, 14865, 19820, 29730, 59460, 137749, 275498, 413247, 550996, 688745, 826494, 1377490, 1652988, 2066235, 2754980, 4132470, 8264940]

約数ペア:

[(1, 8264940), (2, 4132470), (3, 2754980), (4, 2066235), (5, 1652988), (6, 1377490), (10, 826494), (12, 688745), (15, 550996), (20, 413247), (30, 275498), (60, 137749), (139, 59460), (278, 29730), (417, 19820), (556, 14865), (695, 11892), (834, 9910), (991, 8340), (1390, 5946), (1668, 4955), (1982, 4170), (2085, 3964), (2780, 2973)]