1278018

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{23}}^1$

素因数の和:58

約数の個数: 80

約数和(自身を含む): 3484800

約数和(自身を除く): 2206782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 49, 54, 63, 69, 81, 98, 126, 138, 147, 161, 162, 189, 207, 294, 322, 343, 378, 414, 441, 483, 567, 621, 686, 882, 966, 1029, 1127, 1134, 1242, 1323, 1449, 1863, 2058, 2254, 2646, 2898, 3087, 3381, 3726, 3969, 4347, 6174, 6762, 7889, 7938, 8694, 9261, 10143, 13041, 15778, 18522, 20286, 23667, 26082, 27783, 30429, 47334, 55566, 60858, 71001, 91287, 142002, 182574, 213003, 426006, 639009, 1278018]

約数ペア:

[(1, 1278018), (2, 639009), (3, 426006), (6, 213003), (7, 182574), (9, 142002), (14, 91287), (18, 71001), (21, 60858), (23, 55566), (27, 47334), (42, 30429), (46, 27783), (49, 26082), (54, 23667), (63, 20286), (69, 18522), (81, 15778), (98, 13041), (126, 10143), (138, 9261), (147, 8694), (161, 7938), (162, 7889), (189, 6762), (207, 6174), (294, 4347), (322, 3969), (343, 3726), (378, 3381), (414, 3087), (441, 2898), (483, 2646), (567, 2254), (621, 2058), (686, 1863), (882, 1449), (966, 1323), (1029, 1242), (1127, 1134)]