8146020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 22998528

約数和(自身を除く): 14852508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 991, 1370, 1644, 1982, 2055, 2740, 2973, 3964, 4110, 4955, 5946, 8220, 9910, 11892, 14865, 19820, 29730, 59460, 135767, 271534, 407301, 543068, 678835, 814602, 1357670, 1629204, 2036505, 2715340, 4073010, 8146020]

約数ペア:

[(1, 8146020), (2, 4073010), (3, 2715340), (4, 2036505), (5, 1629204), (6, 1357670), (10, 814602), (12, 678835), (15, 543068), (20, 407301), (30, 271534), (60, 135767), (137, 59460), (274, 29730), (411, 19820), (548, 14865), (685, 11892), (822, 9910), (991, 8220), (1370, 5946), (1644, 4955), (1982, 4110), (2055, 3964), (2740, 2973)]