17967640280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{21851}}^1$

素因数の和:22260

約数の個数: 64

約数和(自身を含む): 41213746080

約数和(自身を除く): 23246105800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 337, 488, 610, 674, 1220, 1348, 1685, 2440, 2696, 3370, 6740, 13480, 20557, 21851, 41114, 43702, 82228, 87404, 102785, 109255, 164456, 174808, 205570, 218510, 411140, 437020, 822280, 874040, 1332911, 2665822, 5331644, 6664555, 7363787, 10663288, 13329110, 14727574, 26658220, 29455148, 36818935, 53316440, 58910296, 73637870, 147275740, 294551480, 449191007, 898382014, 1796764028, 2245955035, 3593528056, 4491910070, 8983820140, 17967640280]

約数ペア:

[(1, 17967640280), (2, 8983820140), (4, 4491910070), (5, 3593528056), (8, 2245955035), (10, 1796764028), (20, 898382014), (40, 449191007), (61, 294551480), (122, 147275740), (244, 73637870), (305, 58910296), (337, 53316440), (488, 36818935), (610, 29455148), (674, 26658220), (1220, 14727574), (1348, 13329110), (1685, 10663288), (2440, 7363787), (2696, 6664555), (3370, 5331644), (6740, 2665822), (13480, 1332911), (20557, 874040), (21851, 822280), (41114, 437020), (43702, 411140), (82228, 218510), (87404, 205570), (102785, 174808), (109255, 164456)]