87381.00000000

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 107504280

約数和(自身を除く): 67212560

約数列:

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

約数ペア:

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