210520728

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 642297600

約数和(自身を除く): 431776872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 251, 264, 297, 353, 396, 502, 594, 706, 753, 792, 1004, 1059, 1188, 1412, 1506, 2008, 2118, 2259, 2376, 2761, 2824, 3012, 3177, 3883, 4236, 4518, 5522, 6024, 6354, 6777, 7766, 8283, 8472, 9036, 9531, 11044, 11649, 12708, 13554, 15532, 16566, 18072, 19062, 22088, 23298, 24849, 25416, 27108, 31064, 33132, 34947, 38124, 46596, 49698, 54216, 66264, 69894, 74547, 76248, 88603, 93192, 99396, 104841, 139788, 149094, 177206, 198792, 209682, 265809, 279576, 298188, 354412, 419364, 531618, 596376, 708824, 797427, 838728, 974633, 1063236, 1594854, 1949266, 2126472, 2392281, 2923899, 3189708, 3898532, 4784562, 5847798, 6379416, 7797064, 8771697, 9569124, 11695596, 17543394, 19138248, 23391192, 26315091, 35086788, 52630182, 70173576, 105260364, 210520728]

約数ペア:

[(1, 210520728), (2, 105260364), (3, 70173576), (4, 52630182), (6, 35086788), (8, 26315091), (9, 23391192), (11, 19138248), (12, 17543394), (18, 11695596), (22, 9569124), (24, 8771697), (27, 7797064), (33, 6379416), (36, 5847798), (44, 4784562), (54, 3898532), (66, 3189708), (72, 2923899), (88, 2392281), (99, 2126472), (108, 1949266), (132, 1594854), (198, 1063236), (216, 974633), (251, 838728), (264, 797427), (297, 708824), (353, 596376), (396, 531618), (502, 419364), (594, 354412), (706, 298188), (753, 279576), (792, 265809), (1004, 209682), (1059, 198792), (1188, 177206), (1412, 149094), (1506, 139788), (2008, 104841), (2118, 99396), (2259, 93192), (2376, 88603), (2761, 76248), (2824, 74547), (3012, 69894), (3177, 66264), (3883, 54216), (4236, 49698), (4518, 46596), (5522, 38124), (6024, 34947), (6354, 33132), (6777, 31064), (7766, 27108), (8283, 25416), (8472, 24849), (9036, 23298), (9531, 22088), (11044, 19062), (11649, 18072), (12708, 16566), (13554, 15532)]