81771624

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 255921120

約数和(自身を除く): 174149496

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 44, 46, 66, 67, 69, 72, 88, 92, 99, 132, 134, 138, 184, 198, 201, 207, 253, 264, 268, 276, 396, 402, 414, 506, 536, 552, 603, 737, 759, 792, 804, 828, 1012, 1206, 1474, 1518, 1541, 1608, 1656, 2024, 2211, 2277, 2412, 2948, 3036, 3082, 4422, 4489, 4554, 4623, 4824, 5896, 6072, 6164, 6633, 8844, 8978, 9108, 9246, 12328, 13266, 13467, 13869, 16951, 17688, 17956, 18216, 18492, 26532, 26934, 27738, 33902, 35912, 36984, 40401, 49379, 50853, 53064, 53868, 55476, 67804, 80802, 98758, 101706, 103247, 107736, 110952, 135608, 148137, 152559, 161604, 197516, 203412, 206494, 296274, 305118, 309741, 323208, 395032, 406824, 412988, 444411, 592548, 610236, 619482, 825976, 888822, 929223, 1135717, 1185096, 1220472, 1238964, 1777644, 1858446, 2271434, 2477928, 3407151, 3555288, 3716892, 4542868, 6814302, 7433784, 9085736, 10221453, 13628604, 20442906, 27257208, 40885812, 81771624]

約数ペア:

[(1, 81771624), (2, 40885812), (3, 27257208), (4, 20442906), (6, 13628604), (8, 10221453), (9, 9085736), (11, 7433784), (12, 6814302), (18, 4542868), (22, 3716892), (23, 3555288), (24, 3407151), (33, 2477928), (36, 2271434), (44, 1858446), (46, 1777644), (66, 1238964), (67, 1220472), (69, 1185096), (72, 1135717), (88, 929223), (92, 888822), (99, 825976), (132, 619482), (134, 610236), (138, 592548), (184, 444411), (198, 412988), (201, 406824), (207, 395032), (253, 323208), (264, 309741), (268, 305118), (276, 296274), (396, 206494), (402, 203412), (414, 197516), (506, 161604), (536, 152559), (552, 148137), (603, 135608), (737, 110952), (759, 107736), (792, 103247), (804, 101706), (828, 98758), (1012, 80802), (1206, 67804), (1474, 55476), (1518, 53868), (1541, 53064), (1608, 50853), (1656, 49379), (2024, 40401), (2211, 36984), (2277, 35912), (2412, 33902), (2948, 27738), (3036, 26934), (3082, 26532), (4422, 18492), (4489, 18216), (4554, 17956), (4623, 17688), (4824, 16951), (5896, 13869), (6072, 13467), (6164, 13266), (6633, 12328), (8844, 9246), (8978, 9108)]