2146604800

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 216

約数和(自身を含む): 5677414400

約数和(自身を除く): 3530809600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 127, 128, 139, 152, 160, 190, 200, 254, 256, 278, 304, 320, 380, 400, 475, 508, 556, 608, 635, 640, 695, 760, 800, 950, 1016, 1112, 1216, 1270, 1280, 1390, 1520, 1600, 1900, 2032, 2224, 2413, 2432, 2540, 2641, 2780, 3040, 3175, 3200, 3475, 3800, 4064, 4448, 4826, 4864, 5080, 5282, 5560, 6080, 6350, 6400, 6950, 7600, 8128, 8896, 9652, 10160, 10564, 11120, 12065, 12160, 12700, 13205, 13900, 15200, 16256, 17653, 17792, 19304, 20320, 21128, 22240, 24130, 24320, 25400, 26410, 27800, 30400, 32512, 35306, 35584, 38608, 40640, 42256, 44480, 48260, 50800, 52820, 55600, 60325, 60800, 66025, 70612, 77216, 81280, 84512, 88265, 88960, 96520, 101600, 105640, 111200, 120650, 121600, 132050, 141224, 154432, 162560, 169024, 176530, 177920, 193040, 203200, 211280, 222400, 241300, 264100, 282448, 308864, 335407, 338048, 353060, 386080, 406400, 422560, 441325, 444800, 482600, 528200, 564896, 617728, 670814, 676096, 706120, 772160, 812800, 845120, 882650, 889600, 965200, 1056400, 1129792, 1341628, 1412240, 1544320, 1677035, 1690240, 1765300, 1930400, 2112800, 2259584, 2683256, 2824480, 3088640, 3354070, 3380480, 3530600, 3860800, 4225600, 4519168, 5366512, 5648960, 6708140, 7061200, 7721600, 8385175, 8451200, 10733024, 11297920, 13416280, 14122400, 15443200, 16770350, 16902400, 21466048, 22595840, 26832560, 28244800, 33540700, 42932096, 53665120, 56489600, 67081400, 85864192, 107330240, 112979200, 134162800, 214660480, 268325600, 429320960, 536651200, 1073302400, 2146604800]

約数ペア:

[(1, 2146604800), (2, 1073302400), (4, 536651200), (5, 429320960), (8, 268325600), (10, 214660480), (16, 134162800), (19, 112979200), (20, 107330240), (25, 85864192), (32, 67081400), (38, 56489600), (40, 53665120), (50, 42932096), (64, 33540700), (76, 28244800), (80, 26832560), (95, 22595840), (100, 21466048), (127, 16902400), (128, 16770350), (139, 15443200), (152, 14122400), (160, 13416280), (190, 11297920), (200, 10733024), (254, 8451200), (256, 8385175), (278, 7721600), (304, 7061200), (320, 6708140), (380, 5648960), (400, 5366512), (475, 4519168), (508, 4225600), (556, 3860800), (608, 3530600), (635, 3380480), (640, 3354070), (695, 3088640), (760, 2824480), (800, 2683256), (950, 2259584), (1016, 2112800), (1112, 1930400), (1216, 1765300), (1270, 1690240), (1280, 1677035), (1390, 1544320), (1520, 1412240), (1600, 1341628), (1900, 1129792), (2032, 1056400), (2224, 965200), (2413, 889600), (2432, 882650), (2540, 845120), (2641, 812800), (2780, 772160), (3040, 706120), (3175, 676096), (3200, 670814), (3475, 617728), (3800, 564896), (4064, 528200), (4448, 482600), (4826, 444800), (4864, 441325), (5080, 422560), (5282, 406400), (5560, 386080), (6080, 353060), (6350, 338048), (6400, 335407), (6950, 308864), (7600, 282448), (8128, 264100), (8896, 241300), (9652, 222400), (10160, 211280), (10564, 203200), (11120, 193040), (12065, 177920), (12160, 176530), (12700, 169024), (13205, 162560), (13900, 154432), (15200, 141224), (16256, 132050), (17653, 121600), (17792, 120650), (19304, 111200), (20320, 105640), (21128, 101600), (22240, 96520), (24130, 88960), (24320, 88265), (25400, 84512), (26410, 81280), (27800, 77216), (30400, 70612), (32512, 66025), (35306, 60800), (35584, 60325), (38608, 55600), (40640, 52820), (42256, 50800), (44480, 48260)]