85712970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{947}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 235892736

約数和(自身を除く): 150179766

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 431, 862, 947, 1293, 1894, 2155, 2586, 2841, 3017, 4310, 4735, 5682, 6034, 6465, 6629, 9051, 9470, 12930, 13258, 14205, 15085, 18102, 19887, 28410, 30170, 33145, 39774, 45255, 66290, 90510, 99435, 198870, 408157, 816314, 1224471, 2040785, 2448942, 2857099, 4081570, 5714198, 6122355, 8571297, 12244710, 14285495, 17142594, 28570990, 42856485, 85712970]

約数ペア:

[(1, 85712970), (2, 42856485), (3, 28570990), (5, 17142594), (6, 14285495), (7, 12244710), (10, 8571297), (14, 6122355), (15, 5714198), (21, 4081570), (30, 2857099), (35, 2448942), (42, 2040785), (70, 1224471), (105, 816314), (210, 408157), (431, 198870), (862, 99435), (947, 90510), (1293, 66290), (1894, 45255), (2155, 39774), (2586, 33145), (2841, 30170), (3017, 28410), (4310, 19887), (4735, 18102), (5682, 15085), (6034, 14205), (6465, 13258), (6629, 12930), (9051, 9470)]