2007780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 5691840

約数和(自身を除く): 3684060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 307, 327, 436, 545, 614, 654, 921, 1090, 1228, 1308, 1535, 1635, 1842, 2180, 3070, 3270, 3684, 4605, 6140, 6540, 9210, 18420, 33463, 66926, 100389, 133852, 167315, 200778, 334630, 401556, 501945, 669260, 1003890, 2007780]

約数ペア:

[(1, 2007780), (2, 1003890), (3, 669260), (4, 501945), (5, 401556), (6, 334630), (10, 200778), (12, 167315), (15, 133852), (20, 100389), (30, 66926), (60, 33463), (109, 18420), (218, 9210), (307, 6540), (327, 6140), (436, 4605), (545, 3684), (614, 3270), (654, 3070), (921, 2180), (1090, 1842), (1228, 1635), (1308, 1535)]