81705456

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 160

約数和(自身を含む): 274982400

約数和(自身を除く): 193276944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 41, 42, 48, 54, 56, 63, 72, 82, 84, 108, 112, 123, 126, 144, 164, 168, 189, 216, 246, 252, 287, 328, 336, 369, 378, 432, 492, 504, 574, 656, 659, 738, 756, 861, 984, 1008, 1107, 1148, 1318, 1476, 1512, 1722, 1968, 1977, 2214, 2296, 2583, 2636, 2952, 3024, 3444, 3954, 4428, 4592, 4613, 5166, 5272, 5904, 5931, 6888, 7749, 7908, 8856, 9226, 10332, 10544, 11862, 13776, 13839, 15498, 15816, 17712, 17793, 18452, 20664, 23724, 27019, 27678, 30996, 31632, 35586, 36904, 41328, 41517, 47448, 54038, 55356, 61992, 71172, 73808, 81057, 83034, 94896, 108076, 110712, 123984, 124551, 142344, 162114, 166068, 189133, 216152, 221424, 243171, 249102, 284688, 324228, 332136, 378266, 432304, 486342, 498204, 567399, 648456, 664272, 729513, 756532, 972684, 996408, 1134798, 1296912, 1459026, 1513064, 1702197, 1945368, 1992816, 2269596, 2918052, 3026128, 3404394, 3890736, 4539192, 5106591, 5836104, 6808788, 9078384, 10213182, 11672208, 13617576, 20426364, 27235152, 40852728, 81705456]

約数ペア:

[(1, 81705456), (2, 40852728), (3, 27235152), (4, 20426364), (6, 13617576), (7, 11672208), (8, 10213182), (9, 9078384), (12, 6808788), (14, 5836104), (16, 5106591), (18, 4539192), (21, 3890736), (24, 3404394), (27, 3026128), (28, 2918052), (36, 2269596), (41, 1992816), (42, 1945368), (48, 1702197), (54, 1513064), (56, 1459026), (63, 1296912), (72, 1134798), (82, 996408), (84, 972684), (108, 756532), (112, 729513), (123, 664272), (126, 648456), (144, 567399), (164, 498204), (168, 486342), (189, 432304), (216, 378266), (246, 332136), (252, 324228), (287, 284688), (328, 249102), (336, 243171), (369, 221424), (378, 216152), (432, 189133), (492, 166068), (504, 162114), (574, 142344), (656, 124551), (659, 123984), (738, 110712), (756, 108076), (861, 94896), (984, 83034), (1008, 81057), (1107, 73808), (1148, 71172), (1318, 61992), (1476, 55356), (1512, 54038), (1722, 47448), (1968, 41517), (1977, 41328), (2214, 36904), (2296, 35586), (2583, 31632), (2636, 30996), (2952, 27678), (3024, 27019), (3444, 23724), (3954, 20664), (4428, 18452), (4592, 17793), (4613, 17712), (5166, 15816), (5272, 15498), (5904, 13839), (5931, 13776), (6888, 11862), (7749, 10544), (7908, 10332), (8856, 9226)]