78040160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 211150800

約数和(自身を除く): 133110640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 121, 139, 145, 160, 176, 220, 232, 242, 278, 290, 319, 352, 440, 464, 484, 556, 580, 605, 638, 695, 880, 928, 968, 1112, 1160, 1210, 1276, 1390, 1529, 1595, 1760, 1936, 2224, 2320, 2420, 2552, 2780, 3058, 3190, 3509, 3872, 4031, 4448, 4640, 4840, 5104, 5560, 6116, 6380, 7018, 7645, 8062, 9680, 10208, 11120, 12232, 12760, 14036, 15290, 16124, 16819, 17545, 19360, 20155, 22240, 24464, 25520, 28072, 30580, 32248, 33638, 35090, 40310, 44341, 48928, 51040, 56144, 61160, 64496, 67276, 70180, 80620, 84095, 88682, 112288, 122320, 128992, 134552, 140360, 161240, 168190, 177364, 221705, 244640, 269104, 280720, 322480, 336380, 354728, 443410, 487751, 538208, 561440, 644960, 672760, 709456, 886820, 975502, 1345520, 1418912, 1773640, 1951004, 2438755, 2691040, 3547280, 3902008, 4877510, 7094560, 7804016, 9755020, 15608032, 19510040, 39020080, 78040160]

約数ペア:

[(1, 78040160), (2, 39020080), (4, 19510040), (5, 15608032), (8, 9755020), (10, 7804016), (11, 7094560), (16, 4877510), (20, 3902008), (22, 3547280), (29, 2691040), (32, 2438755), (40, 1951004), (44, 1773640), (55, 1418912), (58, 1345520), (80, 975502), (88, 886820), (110, 709456), (116, 672760), (121, 644960), (139, 561440), (145, 538208), (160, 487751), (176, 443410), (220, 354728), (232, 336380), (242, 322480), (278, 280720), (290, 269104), (319, 244640), (352, 221705), (440, 177364), (464, 168190), (484, 161240), (556, 140360), (580, 134552), (605, 128992), (638, 122320), (695, 112288), (880, 88682), (928, 84095), (968, 80620), (1112, 70180), (1160, 67276), (1210, 64496), (1276, 61160), (1390, 56144), (1529, 51040), (1595, 48928), (1760, 44341), (1936, 40310), (2224, 35090), (2320, 33638), (2420, 32248), (2552, 30580), (2780, 28072), (3058, 25520), (3190, 24464), (3509, 22240), (3872, 20155), (4031, 19360), (4448, 17545), (4640, 16819), (4840, 16124), (5104, 15290), (5560, 14036), (6116, 12760), (6380, 12232), (7018, 11120), (7645, 10208), (8062, 9680)]