280806075

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 573177600

約数和(自身を除く): 292371525

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 59, 75, 99, 135, 165, 177, 225, 275, 295, 297, 495, 531, 641, 649, 675, 825, 885, 1475, 1485, 1593, 1923, 1947, 2475, 2655, 3205, 3245, 4425, 5769, 5841, 7051, 7425, 7965, 9615, 9735, 13275, 16025, 16225, 17307, 17523, 21153, 28845, 29205, 35255, 37819, 39825, 48075, 48675, 63459, 86535, 87615, 105765, 113457, 144225, 146025, 176275, 189095, 190377, 317295, 340371, 416009, 432675, 438075, 528825, 567285, 945475, 951885, 1021113, 1248027, 1586475, 1701855, 2080045, 2836425, 3744081, 4759425, 5105565, 6240135, 8509275, 10400225, 11232243, 18720405, 25527825, 31200675, 56161215, 93602025, 280806075]

約数ペア:

[(1, 280806075), (3, 93602025), (5, 56161215), (9, 31200675), (11, 25527825), (15, 18720405), (25, 11232243), (27, 10400225), (33, 8509275), (45, 6240135), (55, 5105565), (59, 4759425), (75, 3744081), (99, 2836425), (135, 2080045), (165, 1701855), (177, 1586475), (225, 1248027), (275, 1021113), (295, 951885), (297, 945475), (495, 567285), (531, 528825), (641, 438075), (649, 432675), (675, 416009), (825, 340371), (885, 317295), (1475, 190377), (1485, 189095), (1593, 176275), (1923, 146025), (1947, 144225), (2475, 113457), (2655, 105765), (3205, 87615), (3245, 86535), (4425, 63459), (5769, 48675), (5841, 48075), (7051, 39825), (7425, 37819), (7965, 35255), (9615, 29205), (9735, 28845), (13275, 21153), (16025, 17523), (16225, 17307)]