280175148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:868

約数の個数: 144

約数和(自身を含む): 826076160

約数和(自身を除く): 545901012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 31, 33, 36, 44, 58, 62, 66, 87, 93, 99, 116, 124, 132, 174, 186, 198, 261, 279, 319, 341, 348, 372, 396, 522, 558, 638, 682, 787, 899, 957, 1023, 1044, 1116, 1276, 1364, 1574, 1798, 1914, 2046, 2361, 2697, 2871, 3069, 3148, 3596, 3828, 4092, 4722, 5394, 5742, 6138, 7083, 8091, 8657, 9444, 9889, 10788, 11484, 12276, 14166, 16182, 17314, 19778, 22823, 24397, 25971, 28332, 29667, 32364, 34628, 39556, 45646, 48794, 51942, 59334, 68469, 73191, 77913, 89001, 91292, 97588, 103884, 118668, 136938, 146382, 155826, 178002, 205407, 219573, 251053, 268367, 273876, 292764, 311652, 356004, 410814, 439146, 502106, 536734, 707513, 753159, 805101, 821628, 878292, 1004212, 1073468, 1415026, 1506318, 1610202, 2122539, 2259477, 2415303, 2830052, 3012636, 3220404, 4245078, 4518954, 4830606, 6367617, 7782643, 8490156, 9037908, 9661212, 12735234, 15565286, 23347929, 25470468, 31130572, 46695858, 70043787, 93391716, 140087574, 280175148]

約数ペア:

[(1, 280175148), (2, 140087574), (3, 93391716), (4, 70043787), (6, 46695858), (9, 31130572), (11, 25470468), (12, 23347929), (18, 15565286), (22, 12735234), (29, 9661212), (31, 9037908), (33, 8490156), (36, 7782643), (44, 6367617), (58, 4830606), (62, 4518954), (66, 4245078), (87, 3220404), (93, 3012636), (99, 2830052), (116, 2415303), (124, 2259477), (132, 2122539), (174, 1610202), (186, 1506318), (198, 1415026), (261, 1073468), (279, 1004212), (319, 878292), (341, 821628), (348, 805101), (372, 753159), (396, 707513), (522, 536734), (558, 502106), (638, 439146), (682, 410814), (787, 356004), (899, 311652), (957, 292764), (1023, 273876), (1044, 268367), (1116, 251053), (1276, 219573), (1364, 205407), (1574, 178002), (1798, 155826), (1914, 146382), (2046, 136938), (2361, 118668), (2697, 103884), (2871, 97588), (3069, 91292), (3148, 89001), (3596, 77913), (3828, 73191), (4092, 68469), (4722, 59334), (5394, 51942), (5742, 48794), (6138, 45646), (7083, 39556), (8091, 34628), (8657, 32364), (9444, 29667), (9889, 28332), (10788, 25971), (11484, 24397), (12276, 22823), (14166, 19778), (16182, 17314)]