16854180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40129}}^1$

素因数の和:40148

約数の個数: 48

約数和(自身を含む): 53934720

約数和(自身を除く): 37080540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40129, 80258, 120387, 160516, 200645, 240774, 280903, 401290, 481548, 561806, 601935, 802580, 842709, 1123612, 1203870, 1404515, 1685418, 2407740, 2809030, 3370836, 4213545, 5618060, 8427090, 16854180]

約数ペア:

[(1, 16854180), (2, 8427090), (3, 5618060), (4, 4213545), (5, 3370836), (6, 2809030), (7, 2407740), (10, 1685418), (12, 1404515), (14, 1203870), (15, 1123612), (20, 842709), (21, 802580), (28, 601935), (30, 561806), (35, 481548), (42, 401290), (60, 280903), (70, 240774), (84, 200645), (105, 160516), (140, 120387), (210, 80258), (420, 40129)]