256739568

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 681384960

約数和(自身を除く): 424645392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 317, 359, 376, 564, 634, 718, 752, 951, 1077, 1128, 1268, 1436, 1902, 2154, 2256, 2536, 2872, 3804, 4308, 5072, 5744, 7608, 8616, 14899, 15216, 16873, 17232, 29798, 33746, 44697, 50619, 59596, 67492, 89394, 101238, 113803, 119192, 134984, 178788, 202476, 227606, 238384, 269968, 341409, 357576, 404952, 455212, 682818, 715152, 809904, 910424, 1365636, 1820848, 2731272, 5348741, 5462544, 10697482, 16046223, 21394964, 32092446, 42789928, 64184892, 85579856, 128369784, 256739568]

約数ペア:

[(1, 256739568), (2, 128369784), (3, 85579856), (4, 64184892), (6, 42789928), (8, 32092446), (12, 21394964), (16, 16046223), (24, 10697482), (47, 5462544), (48, 5348741), (94, 2731272), (141, 1820848), (188, 1365636), (282, 910424), (317, 809904), (359, 715152), (376, 682818), (564, 455212), (634, 404952), (718, 357576), (752, 341409), (951, 269968), (1077, 238384), (1128, 227606), (1268, 202476), (1436, 178788), (1902, 134984), (2154, 119192), (2256, 113803), (2536, 101238), (2872, 89394), (3804, 67492), (4308, 59596), (5072, 50619), (5744, 44697), (7608, 33746), (8616, 29798), (14899, 17232), (15216, 16873)]