51648800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 150740352

約数和(自身を除く): 99091552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 401, 460, 560, 575, 644, 700, 736, 800, 802, 805, 920, 1120, 1150, 1288, 1400, 1604, 1610, 1840, 2005, 2300, 2576, 2800, 2807, 3208, 3220, 3680, 4010, 4025, 4600, 5152, 5600, 5614, 6416, 6440, 8020, 8050, 9200, 9223, 10025, 11228, 12832, 12880, 14035, 16040, 16100, 18400, 18446, 20050, 22456, 25760, 28070, 32080, 32200, 36892, 40100, 44912, 46115, 56140, 64160, 64400, 64561, 70175, 73784, 80200, 89824, 92230, 112280, 128800, 129122, 140350, 147568, 160400, 184460, 224560, 230575, 258244, 280700, 295136, 320800, 322805, 368920, 449120, 461150, 516488, 561400, 645610, 737840, 922300, 1032976, 1122800, 1291220, 1475680, 1614025, 1844600, 2065952, 2245600, 2582440, 3228050, 3689200, 5164880, 6456100, 7378400, 10329760, 12912200, 25824400, 51648800]

約数ペア:

[(1, 51648800), (2, 25824400), (4, 12912200), (5, 10329760), (7, 7378400), (8, 6456100), (10, 5164880), (14, 3689200), (16, 3228050), (20, 2582440), (23, 2245600), (25, 2065952), (28, 1844600), (32, 1614025), (35, 1475680), (40, 1291220), (46, 1122800), (50, 1032976), (56, 922300), (70, 737840), (80, 645610), (92, 561400), (100, 516488), (112, 461150), (115, 449120), (140, 368920), (160, 322805), (161, 320800), (175, 295136), (184, 280700), (200, 258244), (224, 230575), (230, 224560), (280, 184460), (322, 160400), (350, 147568), (368, 140350), (400, 129122), (401, 128800), (460, 112280), (560, 92230), (575, 89824), (644, 80200), (700, 73784), (736, 70175), (800, 64561), (802, 64400), (805, 64160), (920, 56140), (1120, 46115), (1150, 44912), (1288, 40100), (1400, 36892), (1604, 32200), (1610, 32080), (1840, 28070), (2005, 25760), (2300, 22456), (2576, 20050), (2800, 18446), (2807, 18400), (3208, 16100), (3220, 16040), (3680, 14035), (4010, 12880), (4025, 12832), (4600, 11228), (5152, 10025), (5600, 9223), (5614, 9200), (6416, 8050), (6440, 8020)]