72704142

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 197188992

約数和(自身を除く): 124484850

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 49, 54, 63, 71, 81, 86, 98, 126, 129, 142, 147, 162, 189, 213, 243, 258, 294, 301, 378, 387, 426, 441, 486, 497, 567, 602, 639, 774, 882, 903, 994, 1134, 1161, 1278, 1323, 1491, 1701, 1806, 1917, 2107, 2322, 2646, 2709, 2982, 3053, 3402, 3479, 3483, 3834, 3969, 4214, 4473, 5418, 5751, 6106, 6321, 6958, 6966, 7938, 8127, 8946, 9159, 10437, 10449, 11502, 11907, 12642, 13419, 16254, 17253, 18318, 18963, 20874, 20898, 21371, 23814, 24381, 26838, 27477, 31311, 34506, 37926, 40257, 42742, 48762, 54954, 56889, 62622, 64113, 73143, 80514, 82431, 93933, 113778, 120771, 128226, 146286, 149597, 164862, 170667, 187866, 192339, 241542, 247293, 281799, 299194, 341334, 384678, 448791, 494586, 512001, 563598, 577017, 741879, 845397, 897582, 1024002, 1154034, 1346373, 1483758, 1690794, 1731051, 2692746, 3462102, 4039119, 5193153, 8078238, 10386306, 12117357, 24234714, 36352071, 72704142]

約数ペア:

[(1, 72704142), (2, 36352071), (3, 24234714), (6, 12117357), (7, 10386306), (9, 8078238), (14, 5193153), (18, 4039119), (21, 3462102), (27, 2692746), (42, 1731051), (43, 1690794), (49, 1483758), (54, 1346373), (63, 1154034), (71, 1024002), (81, 897582), (86, 845397), (98, 741879), (126, 577017), (129, 563598), (142, 512001), (147, 494586), (162, 448791), (189, 384678), (213, 341334), (243, 299194), (258, 281799), (294, 247293), (301, 241542), (378, 192339), (387, 187866), (426, 170667), (441, 164862), (486, 149597), (497, 146286), (567, 128226), (602, 120771), (639, 113778), (774, 93933), (882, 82431), (903, 80514), (994, 73143), (1134, 64113), (1161, 62622), (1278, 56889), (1323, 54954), (1491, 48762), (1701, 42742), (1806, 40257), (1917, 37926), (2107, 34506), (2322, 31311), (2646, 27477), (2709, 26838), (2982, 24381), (3053, 23814), (3402, 21371), (3479, 20898), (3483, 20874), (3834, 18963), (3969, 18318), (4214, 17253), (4473, 16254), (5418, 13419), (5751, 12642), (6106, 11907), (6321, 11502), (6958, 10449), (6966, 10437), (7938, 9159), (8127, 8946)]