128569760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 346890600

約数和(自身を除く): 218320840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 160, 176, 220, 229, 232, 242, 290, 319, 352, 440, 458, 464, 484, 580, 605, 638, 880, 916, 928, 968, 1145, 1160, 1210, 1276, 1595, 1760, 1832, 1936, 2290, 2320, 2420, 2519, 2552, 3190, 3509, 3664, 3872, 4580, 4640, 4840, 5038, 5104, 6380, 6641, 7018, 7328, 9160, 9680, 10076, 10208, 12595, 12760, 13282, 14036, 17545, 18320, 19360, 20152, 25190, 25520, 26564, 27709, 28072, 33205, 35090, 36640, 40304, 50380, 51040, 53128, 55418, 56144, 66410, 70180, 73051, 80608, 100760, 106256, 110836, 112288, 132820, 138545, 140360, 146102, 201520, 212512, 221672, 265640, 277090, 280720, 292204, 365255, 403040, 443344, 531280, 554180, 561440, 584408, 730510, 803561, 886688, 1062560, 1108360, 1168816, 1461020, 1607122, 2216720, 2337632, 2922040, 3214244, 4017805, 4433440, 5844080, 6428488, 8035610, 11688160, 12856976, 16071220, 25713952, 32142440, 64284880, 128569760]

約数ペア:

[(1, 128569760), (2, 64284880), (4, 32142440), (5, 25713952), (8, 16071220), (10, 12856976), (11, 11688160), (16, 8035610), (20, 6428488), (22, 5844080), (29, 4433440), (32, 4017805), (40, 3214244), (44, 2922040), (55, 2337632), (58, 2216720), (80, 1607122), (88, 1461020), (110, 1168816), (116, 1108360), (121, 1062560), (145, 886688), (160, 803561), (176, 730510), (220, 584408), (229, 561440), (232, 554180), (242, 531280), (290, 443344), (319, 403040), (352, 365255), (440, 292204), (458, 280720), (464, 277090), (484, 265640), (580, 221672), (605, 212512), (638, 201520), (880, 146102), (916, 140360), (928, 138545), (968, 132820), (1145, 112288), (1160, 110836), (1210, 106256), (1276, 100760), (1595, 80608), (1760, 73051), (1832, 70180), (1936, 66410), (2290, 56144), (2320, 55418), (2420, 53128), (2519, 51040), (2552, 50380), (3190, 40304), (3509, 36640), (3664, 35090), (3872, 33205), (4580, 28072), (4640, 27709), (4840, 26564), (5038, 25520), (5104, 25190), (6380, 20152), (6641, 19360), (7018, 18320), (7328, 17545), (9160, 14036), (9680, 13282), (10076, 12760), (10208, 12595)]