180800004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{27953}}^1$

素因数の和:27985

約数の個数: 72

約数和(自身を含む): 535375008

約数和(自身を除く): 354575004

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 27953, 55906, 83859, 111812, 167718, 195671, 307483, 335436, 391342, 587013, 614966, 782684, 922449, 1174026, 1229932, 1369697, 1844898, 2152381, 2348052, 2739394, 3689796, 4109091, 4304762, 5478788, 6457143, 8218182, 8609524, 12914286, 15066667, 16436364, 25828572, 30133334, 45200001, 60266668, 90400002, 180800004]

約数ペア:

[(1, 180800004), (2, 90400002), (3, 60266668), (4, 45200001), (6, 30133334), (7, 25828572), (11, 16436364), (12, 15066667), (14, 12914286), (21, 8609524), (22, 8218182), (28, 6457143), (33, 5478788), (42, 4304762), (44, 4109091), (49, 3689796), (66, 2739394), (77, 2348052), (84, 2152381), (98, 1844898), (132, 1369697), (147, 1229932), (154, 1174026), (196, 922449), (231, 782684), (294, 614966), (308, 587013), (462, 391342), (539, 335436), (588, 307483), (924, 195671), (1078, 167718), (1617, 111812), (2156, 83859), (3234, 55906), (6468, 27953)]