1440306

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 3841344

約数和(自身を除く): 2401038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 71, 98, 126, 138, 142, 147, 161, 207, 213, 294, 322, 414, 426, 441, 483, 497, 639, 882, 966, 994, 1127, 1278, 1449, 1491, 1633, 2254, 2898, 2982, 3266, 3381, 3479, 4473, 4899, 6762, 6958, 8946, 9798, 10143, 10437, 11431, 14697, 20286, 20874, 22862, 29394, 31311, 34293, 62622, 68586, 80017, 102879, 160034, 205758, 240051, 480102, 720153, 1440306]

約数ペア:

[(1, 1440306), (2, 720153), (3, 480102), (6, 240051), (7, 205758), (9, 160034), (14, 102879), (18, 80017), (21, 68586), (23, 62622), (42, 34293), (46, 31311), (49, 29394), (63, 22862), (69, 20874), (71, 20286), (98, 14697), (126, 11431), (138, 10437), (142, 10143), (147, 9798), (161, 8946), (207, 6958), (213, 6762), (294, 4899), (322, 4473), (414, 3479), (426, 3381), (441, 3266), (483, 2982), (497, 2898), (639, 2254), (882, 1633), (966, 1491), (994, 1449), (1127, 1278)]