81362120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4337}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 212388480

約数和(自身を除く): 131026360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4337, 4690, 8674, 9380, 17348, 18760, 21685, 30359, 34696, 43370, 60718, 86740, 121436, 151795, 173480, 242872, 290579, 303590, 581158, 607180, 1162316, 1214360, 1452895, 2034053, 2324632, 2905790, 4068106, 5811580, 8136212, 10170265, 11623160, 16272424, 20340530, 40681060, 81362120]

約数ペア:

[(1, 81362120), (2, 40681060), (4, 20340530), (5, 16272424), (7, 11623160), (8, 10170265), (10, 8136212), (14, 5811580), (20, 4068106), (28, 2905790), (35, 2324632), (40, 2034053), (56, 1452895), (67, 1214360), (70, 1162316), (134, 607180), (140, 581158), (268, 303590), (280, 290579), (335, 242872), (469, 173480), (536, 151795), (670, 121436), (938, 86740), (1340, 60718), (1876, 43370), (2345, 34696), (2680, 30359), (3752, 21685), (4337, 18760), (4690, 17348), (8674, 9380)]