257313456

素因数分解:

$2^4\times 3^3\times {\mathrm{223}}^1\times {\mathrm{2671}}^1$

素因数の和:2911

約数の個数: 80

約数和(自身を含む): 742174720

約数和(自身を除く): 484861264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 223, 432, 446, 669, 892, 1338, 1784, 2007, 2671, 2676, 3568, 4014, 5342, 5352, 6021, 8013, 8028, 10684, 10704, 12042, 16026, 16056, 21368, 24039, 24084, 32052, 32112, 42736, 48078, 48168, 64104, 72117, 96156, 96336, 128208, 144234, 192312, 288468, 384624, 576936, 595633, 1153872, 1191266, 1786899, 2382532, 3573798, 4765064, 5360697, 7147596, 9530128, 10721394, 14295192, 16082091, 21442788, 28590384, 32164182, 42885576, 64328364, 85771152, 128656728, 257313456]

約数ペア:

[(1, 257313456), (2, 128656728), (3, 85771152), (4, 64328364), (6, 42885576), (8, 32164182), (9, 28590384), (12, 21442788), (16, 16082091), (18, 14295192), (24, 10721394), (27, 9530128), (36, 7147596), (48, 5360697), (54, 4765064), (72, 3573798), (108, 2382532), (144, 1786899), (216, 1191266), (223, 1153872), (432, 595633), (446, 576936), (669, 384624), (892, 288468), (1338, 192312), (1784, 144234), (2007, 128208), (2671, 96336), (2676, 96156), (3568, 72117), (4014, 64104), (5342, 48168), (5352, 48078), (6021, 42736), (8013, 32112), (8028, 32052), (10684, 24084), (10704, 24039), (12042, 21368), (16026, 16056)]