80187800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 239984640

約数和(自身を除く): 159796840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 41, 44, 50, 55, 56, 70, 77, 82, 88, 100, 110, 127, 140, 154, 164, 175, 200, 205, 220, 254, 275, 280, 287, 308, 328, 350, 385, 410, 440, 451, 508, 550, 574, 616, 635, 700, 770, 820, 889, 902, 1016, 1025, 1100, 1148, 1270, 1397, 1400, 1435, 1540, 1640, 1778, 1804, 1925, 2050, 2200, 2255, 2296, 2540, 2794, 2870, 3080, 3157, 3175, 3556, 3608, 3850, 4100, 4445, 4510, 5080, 5207, 5588, 5740, 6314, 6350, 6985, 7112, 7175, 7700, 8200, 8890, 9020, 9779, 10414, 11176, 11275, 11480, 12628, 12700, 13970, 14350, 15400, 15785, 17780, 18040, 19558, 20828, 22225, 22550, 25256, 25400, 26035, 27940, 28700, 31570, 34925, 35560, 36449, 39116, 41656, 44450, 45100, 48895, 52070, 55880, 57277, 57400, 63140, 69850, 72898, 78232, 78925, 88900, 90200, 97790, 104140, 114554, 126280, 130175, 139700, 145796, 157850, 177800, 182245, 195580, 208280, 229108, 244475, 260350, 279400, 286385, 291592, 315700, 364490, 391160, 400939, 458216, 488950, 520700, 572770, 631400, 728980, 801878, 911225, 977900, 1041400, 1145540, 1431925, 1457960, 1603756, 1822450, 1955800, 2004695, 2291080, 2863850, 3207512, 3644900, 4009390, 5727700, 7289800, 8018780, 10023475, 11455400, 16037560, 20046950, 40093900, 80187800]

約数ペア:

[(1, 80187800), (2, 40093900), (4, 20046950), (5, 16037560), (7, 11455400), (8, 10023475), (10, 8018780), (11, 7289800), (14, 5727700), (20, 4009390), (22, 3644900), (25, 3207512), (28, 2863850), (35, 2291080), (40, 2004695), (41, 1955800), (44, 1822450), (50, 1603756), (55, 1457960), (56, 1431925), (70, 1145540), (77, 1041400), (82, 977900), (88, 911225), (100, 801878), (110, 728980), (127, 631400), (140, 572770), (154, 520700), (164, 488950), (175, 458216), (200, 400939), (205, 391160), (220, 364490), (254, 315700), (275, 291592), (280, 286385), (287, 279400), (308, 260350), (328, 244475), (350, 229108), (385, 208280), (410, 195580), (440, 182245), (451, 177800), (508, 157850), (550, 145796), (574, 139700), (616, 130175), (635, 126280), (700, 114554), (770, 104140), (820, 97790), (889, 90200), (902, 88900), (1016, 78925), (1025, 78232), (1100, 72898), (1148, 69850), (1270, 63140), (1397, 57400), (1400, 57277), (1435, 55880), (1540, 52070), (1640, 48895), (1778, 45100), (1804, 44450), (1925, 41656), (2050, 39116), (2200, 36449), (2255, 35560), (2296, 34925), (2540, 31570), (2794, 28700), (2870, 27940), (3080, 26035), (3157, 25400), (3175, 25256), (3556, 22550), (3608, 22225), (3850, 20828), (4100, 19558), (4445, 18040), (4510, 17780), (5080, 15785), (5207, 15400), (5588, 14350), (5740, 13970), (6314, 12700), (6350, 12628), (6985, 11480), (7112, 11275), (7175, 11176), (7700, 10414), (8200, 9779), (8890, 9020)]