268781656

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 630866880

約数和(自身を除く): 362085224

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 53, 62, 88, 104, 106, 121, 124, 143, 169, 212, 242, 248, 286, 338, 341, 403, 424, 484, 572, 583, 676, 682, 689, 806, 968, 1144, 1166, 1352, 1364, 1378, 1573, 1612, 1643, 1859, 2332, 2728, 2756, 3146, 3224, 3286, 3718, 3751, 4433, 4664, 5239, 5512, 6292, 6413, 6572, 7436, 7502, 7579, 8866, 8957, 10478, 12584, 12826, 13144, 14872, 15004, 15158, 17732, 17914, 18073, 20449, 20956, 21359, 25652, 30008, 30316, 35464, 35828, 36146, 40898, 41912, 42718, 48763, 51304, 57629, 60632, 71656, 72292, 81796, 83369, 85436, 97526, 98527, 115258, 144584, 163592, 166738, 170872, 195052, 197054, 198803, 230516, 234949, 277667, 333476, 390104, 394108, 397606, 461032, 469898, 555334, 633919, 666952, 788216, 795212, 939796, 1083797, 1110668, 1267838, 1590424, 1879592, 2167594, 2221336, 2535676, 2584439, 3054337, 4335188, 5071352, 5168878, 6108674, 8670376, 10337756, 12217348, 20675512, 24434696, 33597707, 67195414, 134390828, 268781656]

約数ペア:

[(1, 268781656), (2, 134390828), (4, 67195414), (8, 33597707), (11, 24434696), (13, 20675512), (22, 12217348), (26, 10337756), (31, 8670376), (44, 6108674), (52, 5168878), (53, 5071352), (62, 4335188), (88, 3054337), (104, 2584439), (106, 2535676), (121, 2221336), (124, 2167594), (143, 1879592), (169, 1590424), (212, 1267838), (242, 1110668), (248, 1083797), (286, 939796), (338, 795212), (341, 788216), (403, 666952), (424, 633919), (484, 555334), (572, 469898), (583, 461032), (676, 397606), (682, 394108), (689, 390104), (806, 333476), (968, 277667), (1144, 234949), (1166, 230516), (1352, 198803), (1364, 197054), (1378, 195052), (1573, 170872), (1612, 166738), (1643, 163592), (1859, 144584), (2332, 115258), (2728, 98527), (2756, 97526), (3146, 85436), (3224, 83369), (3286, 81796), (3718, 72292), (3751, 71656), (4433, 60632), (4664, 57629), (5239, 51304), (5512, 48763), (6292, 42718), (6413, 41912), (6572, 40898), (7436, 36146), (7502, 35828), (7579, 35464), (8866, 30316), (8957, 30008), (10478, 25652), (12584, 21359), (12826, 20956), (13144, 20449), (14872, 18073), (15004, 17914), (15158, 17732)]