80705646

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{3389}}^1$

素因数の和:3420

約数の個数: 72

約数和(自身を含む): 211007160

約数和(自身を除く): 130301514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 243, 294, 378, 441, 486, 567, 882, 1134, 1323, 1701, 2646, 3389, 3402, 3969, 6778, 7938, 10167, 11907, 20334, 23723, 23814, 30501, 47446, 61002, 71169, 91503, 142338, 166061, 183006, 213507, 274509, 332122, 427014, 498183, 549018, 640521, 823527, 996366, 1281042, 1494549, 1647054, 1921563, 2989098, 3843126, 4483647, 5764689, 8967294, 11529378, 13450941, 26901882, 40352823, 80705646]

約数ペア:

[(1, 80705646), (2, 40352823), (3, 26901882), (6, 13450941), (7, 11529378), (9, 8967294), (14, 5764689), (18, 4483647), (21, 3843126), (27, 2989098), (42, 1921563), (49, 1647054), (54, 1494549), (63, 1281042), (81, 996366), (98, 823527), (126, 640521), (147, 549018), (162, 498183), (189, 427014), (243, 332122), (294, 274509), (378, 213507), (441, 183006), (486, 166061), (567, 142338), (882, 91503), (1134, 71169), (1323, 61002), (1701, 47446), (2646, 30501), (3389, 23814), (3402, 23723), (3969, 20334), (6778, 11907), (7938, 10167)]