81706968

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{18013}}^1$

素因数の和:18038

約数の個数: 80

約数和(自身を含む): 261563280

約数和(自身を除く): 179856312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 18013, 36026, 54039, 72052, 108078, 126091, 144104, 162117, 216156, 252182, 324234, 378273, 432312, 486351, 504364, 648468, 756546, 972702, 1008728, 1134819, 1296936, 1459053, 1513092, 1945404, 2269638, 2918106, 3026184, 3404457, 3890808, 4539276, 5836212, 6808914, 9078552, 10213371, 11672424, 13617828, 20426742, 27235656, 40853484, 81706968]

約数ペア:

[(1, 81706968), (2, 40853484), (3, 27235656), (4, 20426742), (6, 13617828), (7, 11672424), (8, 10213371), (9, 9078552), (12, 6808914), (14, 5836212), (18, 4539276), (21, 3890808), (24, 3404457), (27, 3026184), (28, 2918106), (36, 2269638), (42, 1945404), (54, 1513092), (56, 1459053), (63, 1296936), (72, 1134819), (81, 1008728), (84, 972702), (108, 756546), (126, 648468), (162, 504364), (168, 486351), (189, 432312), (216, 378273), (252, 324234), (324, 252182), (378, 216156), (504, 162117), (567, 144104), (648, 126091), (756, 108078), (1134, 72052), (1512, 54039), (2268, 36026), (4536, 18013)]