681279808

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 1634398560

約数和(自身を除く): 953118752

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 53, 62, 64, 76, 88, 106, 124, 152, 176, 209, 212, 248, 304, 341, 352, 418, 424, 496, 583, 589, 608, 682, 704, 836, 848, 961, 992, 1007, 1166, 1178, 1216, 1364, 1643, 1672, 1696, 1922, 1984, 2014, 2332, 2356, 2728, 3286, 3344, 3392, 3844, 4028, 4664, 4712, 5456, 6479, 6572, 6688, 7688, 8056, 9328, 9424, 10571, 10912, 11077, 12958, 13144, 13376, 15376, 16112, 18073, 18259, 18656, 18848, 21142, 21824, 22154, 25916, 26288, 30752, 31217, 32224, 36146, 36518, 37312, 37696, 42284, 44308, 50933, 51832, 52576, 61504, 62434, 64448, 72292, 73036, 84568, 88616, 101866, 103664, 105152, 124868, 144584, 146072, 169136, 177232, 200849, 203732, 207328, 249736, 289168, 292144, 338272, 343387, 354464, 401698, 407464, 414656, 499472, 560263, 578336, 584288, 676544, 686774, 708928, 803396, 814928, 967727, 998944, 1120526, 1156672, 1168576, 1373548, 1606792, 1629856, 1935454, 1997888, 2241052, 2747096, 3213584, 3259712, 3870908, 4482104, 5494192, 6427168, 7741816, 8964208, 10644997, 10988384, 12854336, 15483632, 17928416, 21289994, 21976768, 30967264, 35856832, 42579988, 61934528, 85159976, 170319952, 340639904, 681279808]

約数ペア:

[(1, 681279808), (2, 340639904), (4, 170319952), (8, 85159976), (11, 61934528), (16, 42579988), (19, 35856832), (22, 30967264), (31, 21976768), (32, 21289994), (38, 17928416), (44, 15483632), (53, 12854336), (62, 10988384), (64, 10644997), (76, 8964208), (88, 7741816), (106, 6427168), (124, 5494192), (152, 4482104), (176, 3870908), (209, 3259712), (212, 3213584), (248, 2747096), (304, 2241052), (341, 1997888), (352, 1935454), (418, 1629856), (424, 1606792), (496, 1373548), (583, 1168576), (589, 1156672), (608, 1120526), (682, 998944), (704, 967727), (836, 814928), (848, 803396), (961, 708928), (992, 686774), (1007, 676544), (1166, 584288), (1178, 578336), (1216, 560263), (1364, 499472), (1643, 414656), (1672, 407464), (1696, 401698), (1922, 354464), (1984, 343387), (2014, 338272), (2332, 292144), (2356, 289168), (2728, 249736), (3286, 207328), (3344, 203732), (3392, 200849), (3844, 177232), (4028, 169136), (4664, 146072), (4712, 144584), (5456, 124868), (6479, 105152), (6572, 103664), (6688, 101866), (7688, 88616), (8056, 84568), (9328, 73036), (9424, 72292), (10571, 64448), (10912, 62434), (11077, 61504), (12958, 52576), (13144, 51832), (13376, 50933), (15376, 44308), (16112, 42284), (18073, 37696), (18259, 37312), (18656, 36518), (18848, 36146), (21142, 32224), (21824, 31217), (22154, 30752), (25916, 26288)]