2171580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 6441120

約数和(自身を除く): 4269540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 2129, 4258, 6387, 8516, 10645, 12774, 21290, 25548, 31935, 36193, 42580, 63870, 72386, 108579, 127740, 144772, 180965, 217158, 361930, 434316, 542895, 723860, 1085790, 2171580]

約数ペア:

[(1, 2171580), (2, 1085790), (3, 723860), (4, 542895), (5, 434316), (6, 361930), (10, 217158), (12, 180965), (15, 144772), (17, 127740), (20, 108579), (30, 72386), (34, 63870), (51, 42580), (60, 36193), (68, 31935), (85, 25548), (102, 21290), (170, 12774), (204, 10645), (255, 8516), (340, 6387), (510, 4258), (1020, 2129)]