257134878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 789626880

約数和(自身を除く): 532492002

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 67, 71, 77, 78, 91, 99, 117, 126, 134, 142, 143, 154, 182, 189, 198, 201, 213, 231, 234, 273, 286, 297, 351, 378, 402, 426, 429, 462, 469, 497, 546, 594, 603, 639, 693, 702, 737, 781, 819, 858, 871, 923, 938, 994, 1001, 1206, 1278, 1287, 1386, 1407, 1474, 1491, 1562, 1638, 1742, 1809, 1846, 1917, 2002, 2079, 2211, 2343, 2457, 2574, 2613, 2769, 2814, 2982, 3003, 3618, 3834, 3861, 4158, 4221, 4422, 4473, 4686, 4757, 4914, 5159, 5226, 5467, 5538, 6006, 6097, 6461, 6633, 7029, 7722, 7839, 8307, 8442, 8946, 9009, 9514, 9581, 10153, 10318, 10934, 12194, 12663, 12922, 13266, 13419, 14058, 14271, 15477, 15678, 16401, 16614, 18018, 18291, 19162, 19383, 19899, 20306, 21087, 23517, 24921, 25326, 26838, 27027, 28542, 28743, 30459, 30954, 32802, 33299, 36582, 38766, 39798, 42174, 42813, 46431, 47034, 49203, 49842, 52327, 54054, 54873, 57486, 58149, 60918, 61841, 66598, 67067, 71071, 85626, 86229, 91377, 92862, 98406, 99897, 104654, 109746, 116298, 123682, 128439, 134134, 139293, 142142, 147609, 156981, 164619, 172458, 174447, 182754, 185523, 199794, 201201, 213213, 256878, 258687, 274131, 278586, 295218, 299691, 313962, 329238, 348894, 366289, 371046, 402402, 426426, 432887, 470943, 517374, 548262, 556569, 599382, 603603, 639639, 680251, 732578, 865774, 899073, 941886, 1098867, 1113138, 1207206, 1279278, 1298661, 1360502, 1412829, 1669707, 1798146, 1810809, 1918917, 2040753, 2197734, 2597322, 2825658, 3296601, 3339414, 3621618, 3837834, 3895983, 4081506, 4761757, 6122259, 6593202, 7791966, 9523514, 9889803, 11687949, 12244518, 14285271, 18366777, 19779606, 23375898, 28570542, 36733554, 42855813, 85711626, 128567439, 257134878]

約数ペア:

[(1, 257134878), (2, 128567439), (3, 85711626), (6, 42855813), (7, 36733554), (9, 28570542), (11, 23375898), (13, 19779606), (14, 18366777), (18, 14285271), (21, 12244518), (22, 11687949), (26, 9889803), (27, 9523514), (33, 7791966), (39, 6593202), (42, 6122259), (54, 4761757), (63, 4081506), (66, 3895983), (67, 3837834), (71, 3621618), (77, 3339414), (78, 3296601), (91, 2825658), (99, 2597322), (117, 2197734), (126, 2040753), (134, 1918917), (142, 1810809), (143, 1798146), (154, 1669707), (182, 1412829), (189, 1360502), (198, 1298661), (201, 1279278), (213, 1207206), (231, 1113138), (234, 1098867), (273, 941886), (286, 899073), (297, 865774), (351, 732578), (378, 680251), (402, 639639), (426, 603603), (429, 599382), (462, 556569), (469, 548262), (497, 517374), (546, 470943), (594, 432887), (603, 426426), (639, 402402), (693, 371046), (702, 366289), (737, 348894), (781, 329238), (819, 313962), (858, 299691), (871, 295218), (923, 278586), (938, 274131), (994, 258687), (1001, 256878), (1206, 213213), (1278, 201201), (1287, 199794), (1386, 185523), (1407, 182754), (1474, 174447), (1491, 172458), (1562, 164619), (1638, 156981), (1742, 147609), (1809, 142142), (1846, 139293), (1917, 134134), (2002, 128439), (2079, 123682), (2211, 116298), (2343, 109746), (2457, 104654), (2574, 99897), (2613, 98406), (2769, 92862), (2814, 91377), (2982, 86229), (3003, 85626), (3618, 71071), (3834, 67067), (3861, 66598), (4158, 61841), (4221, 60918), (4422, 58149), (4473, 57486), (4686, 54873), (4757, 54054), (4914, 52327), (5159, 49842), (5226, 49203), (5467, 47034), (5538, 46431), (6006, 42813), (6097, 42174), (6461, 39798), (6633, 38766), (7029, 36582), (7722, 33299), (7839, 32802), (8307, 30954), (8442, 30459), (8946, 28743), (9009, 28542), (9514, 27027), (9581, 26838), (10153, 25326), (10318, 24921), (10934, 23517), (12194, 21087), (12663, 20306), (12922, 19899), (13266, 19383), (13419, 19162), (14058, 18291), (14271, 18018), (15477, 16614), (15678, 16401)]