80920728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 128

約数和(自身を含む): 259776000

約数和(自身を除く): 178855272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 109, 126, 168, 189, 216, 218, 252, 327, 378, 436, 491, 504, 654, 756, 763, 872, 981, 982, 1308, 1473, 1512, 1526, 1962, 1964, 2289, 2616, 2943, 2946, 3052, 3437, 3924, 3928, 4419, 4578, 5886, 5892, 6104, 6867, 6874, 7848, 8838, 9156, 10311, 11772, 11784, 13257, 13734, 13748, 17676, 18312, 20601, 20622, 23544, 26514, 27468, 27496, 30933, 35352, 41202, 41244, 53028, 53519, 54936, 61866, 82404, 82488, 92799, 106056, 107038, 123732, 160557, 164808, 185598, 214076, 247464, 321114, 371196, 374633, 428152, 481671, 642228, 742392, 749266, 963342, 1123899, 1284456, 1445013, 1498532, 1926684, 2247798, 2890026, 2997064, 3371697, 3853368, 4495596, 5780052, 6743394, 8991192, 10115091, 11560104, 13486788, 20230182, 26973576, 40460364, 80920728]

約数ペア:

[(1, 80920728), (2, 40460364), (3, 26973576), (4, 20230182), (6, 13486788), (7, 11560104), (8, 10115091), (9, 8991192), (12, 6743394), (14, 5780052), (18, 4495596), (21, 3853368), (24, 3371697), (27, 2997064), (28, 2890026), (36, 2247798), (42, 1926684), (54, 1498532), (56, 1445013), (63, 1284456), (72, 1123899), (84, 963342), (108, 749266), (109, 742392), (126, 642228), (168, 481671), (189, 428152), (216, 374633), (218, 371196), (252, 321114), (327, 247464), (378, 214076), (436, 185598), (491, 164808), (504, 160557), (654, 123732), (756, 107038), (763, 106056), (872, 92799), (981, 82488), (982, 82404), (1308, 61866), (1473, 54936), (1512, 53519), (1526, 53028), (1962, 41244), (1964, 41202), (2289, 35352), (2616, 30933), (2943, 27496), (2946, 27468), (3052, 26514), (3437, 23544), (3924, 20622), (3928, 20601), (4419, 18312), (4578, 17676), (5886, 13748), (5892, 13734), (6104, 13257), (6867, 11784), (6874, 11772), (7848, 10311), (8838, 9156)]