81771984

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{3863}}^1$

素因数の和:3894

約数の個数: 120

約数和(自身を含む): 273107520

約数和(自身を除く): 191335536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 3863, 5292, 7056, 7726, 10584, 11589, 15452, 21168, 23178, 27041, 30904, 34767, 46356, 54082, 61808, 69534, 81123, 92712, 104301, 108164, 139068, 162246, 185424, 189287, 208602, 216328, 243369, 278136, 324492, 378574, 417204, 432656, 486738, 556272, 567861, 648984, 730107, 757148, 834408, 973476, 1135722, 1297968, 1460214, 1514296, 1668816, 1703583, 1946952, 2271444, 2920428, 3028592, 3407166, 3893904, 4542888, 5110749, 5840856, 6814332, 9085776, 10221498, 11681712, 13628664, 20442996, 27257328, 40885992, 81771984]

約数ペア:

[(1, 81771984), (2, 40885992), (3, 27257328), (4, 20442996), (6, 13628664), (7, 11681712), (8, 10221498), (9, 9085776), (12, 6814332), (14, 5840856), (16, 5110749), (18, 4542888), (21, 3893904), (24, 3407166), (27, 3028592), (28, 2920428), (36, 2271444), (42, 1946952), (48, 1703583), (49, 1668816), (54, 1514296), (56, 1460214), (63, 1297968), (72, 1135722), (84, 973476), (98, 834408), (108, 757148), (112, 730107), (126, 648984), (144, 567861), (147, 556272), (168, 486738), (189, 432656), (196, 417204), (216, 378574), (252, 324492), (294, 278136), (336, 243369), (378, 216328), (392, 208602), (432, 189287), (441, 185424), (504, 162246), (588, 139068), (756, 108164), (784, 104301), (882, 92712), (1008, 81123), (1176, 69534), (1323, 61808), (1512, 54082), (1764, 46356), (2352, 34767), (2646, 30904), (3024, 27041), (3528, 23178), (3863, 21168), (5292, 15452), (7056, 11589), (7726, 10584)]