68495680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 168

約数和(自身を含む): 188503560

約数和(自身を除く): 120007880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 61, 64, 80, 88, 110, 116, 121, 122, 145, 160, 176, 220, 232, 242, 244, 290, 305, 319, 320, 352, 440, 464, 484, 488, 580, 605, 610, 638, 671, 704, 880, 928, 968, 976, 1160, 1210, 1220, 1276, 1342, 1595, 1760, 1769, 1856, 1936, 1952, 2320, 2420, 2440, 2552, 2684, 3190, 3355, 3509, 3520, 3538, 3872, 3904, 4640, 4840, 4880, 5104, 5368, 6380, 6710, 7018, 7076, 7381, 7744, 8845, 9280, 9680, 9760, 10208, 10736, 12760, 13420, 14036, 14152, 14762, 17545, 17690, 19360, 19459, 19520, 20416, 21472, 25520, 26840, 28072, 28304, 29524, 35090, 35380, 36905, 38720, 38918, 42944, 51040, 53680, 56144, 56608, 59048, 70180, 70760, 73810, 77836, 97295, 102080, 107360, 112288, 113216, 118096, 140360, 141520, 147620, 155672, 194590, 214049, 214720, 224576, 236192, 280720, 283040, 295240, 311344, 389180, 428098, 472384, 561440, 566080, 590480, 622688, 778360, 856196, 1070245, 1122880, 1180960, 1245376, 1556720, 1712392, 2140490, 2361920, 3113440, 3424784, 4280980, 6226880, 6849568, 8561960, 13699136, 17123920, 34247840, 68495680]

約数ペア:

[(1, 68495680), (2, 34247840), (4, 17123920), (5, 13699136), (8, 8561960), (10, 6849568), (11, 6226880), (16, 4280980), (20, 3424784), (22, 3113440), (29, 2361920), (32, 2140490), (40, 1712392), (44, 1556720), (55, 1245376), (58, 1180960), (61, 1122880), (64, 1070245), (80, 856196), (88, 778360), (110, 622688), (116, 590480), (121, 566080), (122, 561440), (145, 472384), (160, 428098), (176, 389180), (220, 311344), (232, 295240), (242, 283040), (244, 280720), (290, 236192), (305, 224576), (319, 214720), (320, 214049), (352, 194590), (440, 155672), (464, 147620), (484, 141520), (488, 140360), (580, 118096), (605, 113216), (610, 112288), (638, 107360), (671, 102080), (704, 97295), (880, 77836), (928, 73810), (968, 70760), (976, 70180), (1160, 59048), (1210, 56608), (1220, 56144), (1276, 53680), (1342, 51040), (1595, 42944), (1760, 38918), (1769, 38720), (1856, 36905), (1936, 35380), (1952, 35090), (2320, 29524), (2420, 28304), (2440, 28072), (2552, 26840), (2684, 25520), (3190, 21472), (3355, 20416), (3509, 19520), (3520, 19459), (3538, 19360), (3872, 17690), (3904, 17545), (4640, 14762), (4840, 14152), (4880, 14036), (5104, 13420), (5368, 12760), (6380, 10736), (6710, 10208), (7018, 9760), (7076, 9680), (7381, 9280), (7744, 8845)]