87666180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208729}}^1$

素因数の和:208748

約数の個数: 48

約数和(自身を含む): 280533120

約数和(自身を除く): 192866940

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, 208729, 417458, 626187, 834916, 1043645, 1252374, 1461103, 2087290, 2504748, 2922206, 3130935, 4174580, 4383309, 5844412, 6261870, 7305515, 8766618, 12523740, 14611030, 17533236, 21916545, 29222060, 43833090, 87666180]

約数ペア:

[(1, 87666180), (2, 43833090), (3, 29222060), (4, 21916545), (5, 17533236), (6, 14611030), (7, 12523740), (10, 8766618), (12, 7305515), (14, 6261870), (15, 5844412), (20, 4383309), (21, 4174580), (28, 3130935), (30, 2922206), (35, 2504748), (42, 2087290), (60, 1461103), (70, 1252374), (84, 1043645), (105, 834916), (140, 626187), (210, 417458), (420, 208729)]