80583440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 222175512

約数和(自身を除く): 141592072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 337, 392, 427, 488, 490, 560, 610, 674, 784, 854, 976, 980, 1220, 1348, 1685, 1708, 1960, 2135, 2359, 2440, 2696, 2989, 3370, 3416, 3920, 4270, 4718, 4880, 5392, 5978, 6740, 6832, 8540, 9436, 11795, 11956, 13480, 14945, 16513, 17080, 18872, 20557, 23590, 23912, 26960, 29890, 33026, 34160, 37744, 41114, 47180, 47824, 59780, 66052, 82228, 82565, 94360, 102785, 119560, 132104, 143899, 164456, 165130, 188720, 205570, 239120, 264208, 287798, 328912, 330260, 411140, 575596, 660520, 719495, 822280, 1007293, 1151192, 1321040, 1438990, 1644560, 2014586, 2302384, 2877980, 4029172, 5036465, 5755960, 8058344, 10072930, 11511920, 16116688, 20145860, 40291720, 80583440]

約数ペア:

[(1, 80583440), (2, 40291720), (4, 20145860), (5, 16116688), (7, 11511920), (8, 10072930), (10, 8058344), (14, 5755960), (16, 5036465), (20, 4029172), (28, 2877980), (35, 2302384), (40, 2014586), (49, 1644560), (56, 1438990), (61, 1321040), (70, 1151192), (80, 1007293), (98, 822280), (112, 719495), (122, 660520), (140, 575596), (196, 411140), (244, 330260), (245, 328912), (280, 287798), (305, 264208), (337, 239120), (392, 205570), (427, 188720), (488, 165130), (490, 164456), (560, 143899), (610, 132104), (674, 119560), (784, 102785), (854, 94360), (976, 82565), (980, 82228), (1220, 66052), (1348, 59780), (1685, 47824), (1708, 47180), (1960, 41114), (2135, 37744), (2359, 34160), (2440, 33026), (2696, 29890), (2989, 26960), (3370, 23912), (3416, 23590), (3920, 20557), (4270, 18872), (4718, 17080), (4880, 16513), (5392, 14945), (5978, 13480), (6740, 11956), (6832, 11795), (8540, 9436)]