81141456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 229985280

約数和(自身を除く): 148843824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 239, 264, 478, 528, 643, 717, 956, 1286, 1434, 1912, 1929, 2572, 2629, 2868, 3824, 3858, 5144, 5258, 5736, 7073, 7716, 7887, 10288, 10516, 11472, 14146, 15432, 15774, 21032, 21219, 28292, 30864, 31548, 42064, 42438, 56584, 63096, 84876, 113168, 126192, 153677, 169752, 307354, 339504, 461031, 614708, 922062, 1229416, 1690447, 1844124, 2458832, 3380894, 3688248, 5071341, 6761788, 7376496, 10142682, 13523576, 20285364, 27047152, 40570728, 81141456]

約数ペア:

[(1, 81141456), (2, 40570728), (3, 27047152), (4, 20285364), (6, 13523576), (8, 10142682), (11, 7376496), (12, 6761788), (16, 5071341), (22, 3688248), (24, 3380894), (33, 2458832), (44, 1844124), (48, 1690447), (66, 1229416), (88, 922062), (132, 614708), (176, 461031), (239, 339504), (264, 307354), (478, 169752), (528, 153677), (643, 126192), (717, 113168), (956, 84876), (1286, 63096), (1434, 56584), (1912, 42438), (1929, 42064), (2572, 31548), (2629, 30864), (2868, 28292), (3824, 21219), (3858, 21032), (5144, 15774), (5258, 15432), (5736, 14146), (7073, 11472), (7716, 10516), (7887, 10288)]