68801920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 186170400

約数和(自身を除く): 117368480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 220, 232, 290, 319, 320, 337, 352, 440, 464, 580, 638, 640, 674, 704, 880, 928, 1160, 1276, 1348, 1408, 1595, 1685, 1760, 1856, 2320, 2552, 2696, 3190, 3370, 3520, 3707, 3712, 4640, 5104, 5392, 6380, 6740, 7040, 7414, 9280, 9773, 10208, 10784, 12760, 13480, 14828, 18535, 18560, 19546, 20416, 21568, 25520, 26960, 29656, 37070, 39092, 40832, 43136, 48865, 51040, 53920, 59312, 74140, 78184, 97730, 102080, 107503, 107840, 118624, 148280, 156368, 195460, 204160, 215006, 215680, 237248, 296560, 312736, 390920, 430012, 474496, 537515, 593120, 625472, 781840, 860024, 1075030, 1186240, 1250944, 1563680, 1720048, 2150060, 2372480, 3127360, 3440096, 4300120, 6254720, 6880192, 8600240, 13760384, 17200480, 34400960, 68801920]

約数ペア:

[(1, 68801920), (2, 34400960), (4, 17200480), (5, 13760384), (8, 8600240), (10, 6880192), (11, 6254720), (16, 4300120), (20, 3440096), (22, 3127360), (29, 2372480), (32, 2150060), (40, 1720048), (44, 1563680), (55, 1250944), (58, 1186240), (64, 1075030), (80, 860024), (88, 781840), (110, 625472), (116, 593120), (128, 537515), (145, 474496), (160, 430012), (176, 390920), (220, 312736), (232, 296560), (290, 237248), (319, 215680), (320, 215006), (337, 204160), (352, 195460), (440, 156368), (464, 148280), (580, 118624), (638, 107840), (640, 107503), (674, 102080), (704, 97730), (880, 78184), (928, 74140), (1160, 59312), (1276, 53920), (1348, 51040), (1408, 48865), (1595, 43136), (1685, 40832), (1760, 39092), (1856, 37070), (2320, 29656), (2552, 26960), (2696, 25520), (3190, 21568), (3370, 20416), (3520, 19546), (3707, 18560), (3712, 18535), (4640, 14828), (5104, 13480), (5392, 12760), (6380, 10784), (6740, 10208), (7040, 9773), (7414, 9280)]