81806256

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{81157}}^1$

素因数の和:81178

約数の個数: 60

約数和(自身を含む): 261653392

約数和(自身を除く): 179847136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 81157, 162314, 243471, 324628, 486942, 568099, 649256, 730413, 973884, 1136198, 1298512, 1460826, 1704297, 1947768, 2272396, 2921652, 3408594, 3895536, 4544792, 5112891, 5843304, 6817188, 9089584, 10225782, 11686608, 13634376, 20451564, 27268752, 40903128, 81806256]

約数ペア:

[(1, 81806256), (2, 40903128), (3, 27268752), (4, 20451564), (6, 13634376), (7, 11686608), (8, 10225782), (9, 9089584), (12, 6817188), (14, 5843304), (16, 5112891), (18, 4544792), (21, 3895536), (24, 3408594), (28, 2921652), (36, 2272396), (42, 1947768), (48, 1704297), (56, 1460826), (63, 1298512), (72, 1136198), (84, 973884), (112, 730413), (126, 649256), (144, 568099), (168, 486942), (252, 324628), (336, 243471), (504, 162314), (1008, 81157)]