66721824

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 208039104

約数和(自身を除く): 141317280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 96, 104, 117, 142, 144, 156, 208, 213, 234, 251, 284, 288, 312, 416, 426, 468, 502, 568, 624, 639, 753, 852, 923, 936, 1004, 1136, 1248, 1278, 1506, 1704, 1846, 1872, 2008, 2259, 2272, 2556, 2769, 3012, 3263, 3408, 3692, 3744, 4016, 4518, 5112, 5538, 6024, 6526, 6816, 7384, 8032, 8307, 9036, 9789, 10224, 11076, 12048, 13052, 14768, 16614, 17821, 18072, 19578, 20448, 22152, 24096, 26104, 29367, 29536, 33228, 35642, 36144, 39156, 44304, 52208, 53463, 58734, 66456, 71284, 72288, 78312, 88608, 104416, 106926, 117468, 132912, 142568, 156624, 160389, 213852, 231673, 234936, 265824, 285136, 313248, 320778, 427704, 463346, 469872, 570272, 641556, 695019, 855408, 926692, 939744, 1283112, 1390038, 1710816, 1853384, 2085057, 2566224, 2780076, 3706768, 4170114, 5132448, 5560152, 7413536, 8340228, 11120304, 16680456, 22240608, 33360912, 66721824]

約数ペア:

[(1, 66721824), (2, 33360912), (3, 22240608), (4, 16680456), (6, 11120304), (8, 8340228), (9, 7413536), (12, 5560152), (13, 5132448), (16, 4170114), (18, 3706768), (24, 2780076), (26, 2566224), (32, 2085057), (36, 1853384), (39, 1710816), (48, 1390038), (52, 1283112), (71, 939744), (72, 926692), (78, 855408), (96, 695019), (104, 641556), (117, 570272), (142, 469872), (144, 463346), (156, 427704), (208, 320778), (213, 313248), (234, 285136), (251, 265824), (284, 234936), (288, 231673), (312, 213852), (416, 160389), (426, 156624), (468, 142568), (502, 132912), (568, 117468), (624, 106926), (639, 104416), (753, 88608), (852, 78312), (923, 72288), (936, 71284), (1004, 66456), (1136, 58734), (1248, 53463), (1278, 52208), (1506, 44304), (1704, 39156), (1846, 36144), (1872, 35642), (2008, 33228), (2259, 29536), (2272, 29367), (2556, 26104), (2769, 24096), (3012, 22152), (3263, 20448), (3408, 19578), (3692, 18072), (3744, 17821), (4016, 16614), (4518, 14768), (5112, 13052), (5538, 12048), (6024, 11076), (6526, 10224), (6816, 9789), (7384, 9036), (8032, 8307)]