81281904

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 230342400

約数和(自身を除く): 149060496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 257, 264, 514, 528, 599, 771, 1028, 1198, 1542, 1797, 2056, 2396, 2827, 3084, 3594, 4112, 4792, 5654, 6168, 6589, 7188, 8481, 9584, 11308, 12336, 13178, 14376, 16962, 19767, 22616, 26356, 28752, 33924, 39534, 45232, 52712, 67848, 79068, 105424, 135696, 153943, 158136, 307886, 316272, 461829, 615772, 923658, 1231544, 1693373, 1847316, 2463088, 3386746, 3694632, 5080119, 6773492, 7389264, 10160238, 13546984, 20320476, 27093968, 40640952, 81281904]

約数ペア:

[(1, 81281904), (2, 40640952), (3, 27093968), (4, 20320476), (6, 13546984), (8, 10160238), (11, 7389264), (12, 6773492), (16, 5080119), (22, 3694632), (24, 3386746), (33, 2463088), (44, 1847316), (48, 1693373), (66, 1231544), (88, 923658), (132, 615772), (176, 461829), (257, 316272), (264, 307886), (514, 158136), (528, 153943), (599, 135696), (771, 105424), (1028, 79068), (1198, 67848), (1542, 52712), (1797, 45232), (2056, 39534), (2396, 33924), (2827, 28752), (3084, 26356), (3594, 22616), (4112, 19767), (4792, 16962), (5654, 14376), (6168, 13178), (6589, 12336), (7188, 11308), (8481, 9584)]