66781512

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 144

約数和(自身を含む): 219810240

約数和(自身を除く): 153028728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 392, 414, 441, 483, 504, 552, 588, 644, 823, 828, 882, 966, 1127, 1176, 1288, 1449, 1646, 1656, 1764, 1932, 2254, 2469, 2898, 3292, 3381, 3528, 3864, 4508, 4938, 5761, 5796, 6584, 6762, 7407, 9016, 9876, 10143, 11522, 11592, 13524, 14814, 17283, 18929, 19752, 20286, 23044, 27048, 29628, 34566, 37858, 40327, 40572, 46088, 51849, 56787, 59256, 69132, 75716, 80654, 81144, 103698, 113574, 120981, 132503, 138264, 151432, 161308, 170361, 207396, 227148, 241962, 265006, 322616, 340722, 362943, 397509, 414792, 454296, 483924, 530012, 681444, 725886, 795018, 927521, 967848, 1060024, 1192527, 1362888, 1451772, 1590036, 1855042, 2385054, 2782563, 2903544, 3180072, 3710084, 4770108, 5565126, 7420168, 8347689, 9540216, 11130252, 16695378, 22260504, 33390756, 66781512]

約数ペア:

[(1, 66781512), (2, 33390756), (3, 22260504), (4, 16695378), (6, 11130252), (7, 9540216), (8, 8347689), (9, 7420168), (12, 5565126), (14, 4770108), (18, 3710084), (21, 3180072), (23, 2903544), (24, 2782563), (28, 2385054), (36, 1855042), (42, 1590036), (46, 1451772), (49, 1362888), (56, 1192527), (63, 1060024), (69, 967848), (72, 927521), (84, 795018), (92, 725886), (98, 681444), (126, 530012), (138, 483924), (147, 454296), (161, 414792), (168, 397509), (184, 362943), (196, 340722), (207, 322616), (252, 265006), (276, 241962), (294, 227148), (322, 207396), (392, 170361), (414, 161308), (441, 151432), (483, 138264), (504, 132503), (552, 120981), (588, 113574), (644, 103698), (823, 81144), (828, 80654), (882, 75716), (966, 69132), (1127, 59256), (1176, 56787), (1288, 51849), (1449, 46088), (1646, 40572), (1656, 40327), (1764, 37858), (1932, 34566), (2254, 29628), (2469, 27048), (2898, 23044), (3292, 20286), (3381, 19752), (3528, 18929), (3864, 17283), (4508, 14814), (4938, 13524), (5761, 11592), (5796, 11522), (6584, 10143), (6762, 9876), (7407, 9016)]