245983760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 658243584

約数和(自身を除く): 412259824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 71, 80, 88, 110, 124, 127, 142, 155, 176, 220, 248, 254, 284, 310, 341, 355, 440, 496, 508, 568, 620, 635, 682, 710, 781, 880, 1016, 1136, 1240, 1270, 1364, 1397, 1420, 1562, 1705, 2032, 2201, 2480, 2540, 2728, 2794, 2840, 3124, 3410, 3905, 3937, 4402, 5080, 5456, 5588, 5680, 6248, 6820, 6985, 7810, 7874, 8804, 9017, 10160, 11005, 11176, 12496, 13640, 13970, 15620, 15748, 17608, 18034, 19685, 22010, 22352, 24211, 27280, 27940, 31240, 31496, 35216, 36068, 39370, 43307, 44020, 45085, 48422, 55880, 62480, 62992, 72136, 78740, 86614, 88040, 90170, 96844, 99187, 111760, 121055, 144272, 157480, 173228, 176080, 180340, 193688, 198374, 216535, 242110, 279527, 314960, 346456, 360680, 387376, 396748, 433070, 484220, 495935, 559054, 692912, 721360, 793496, 866140, 968440, 991870, 1118108, 1397635, 1586992, 1732280, 1936880, 1983740, 2236216, 2795270, 3074797, 3464560, 3967480, 4472432, 5590540, 6149594, 7934960, 11181080, 12299188, 15373985, 22362160, 24598376, 30747970, 49196752, 61495940, 122991880, 245983760]

約数ペア:

[(1, 245983760), (2, 122991880), (4, 61495940), (5, 49196752), (8, 30747970), (10, 24598376), (11, 22362160), (16, 15373985), (20, 12299188), (22, 11181080), (31, 7934960), (40, 6149594), (44, 5590540), (55, 4472432), (62, 3967480), (71, 3464560), (80, 3074797), (88, 2795270), (110, 2236216), (124, 1983740), (127, 1936880), (142, 1732280), (155, 1586992), (176, 1397635), (220, 1118108), (248, 991870), (254, 968440), (284, 866140), (310, 793496), (341, 721360), (355, 692912), (440, 559054), (496, 495935), (508, 484220), (568, 433070), (620, 396748), (635, 387376), (682, 360680), (710, 346456), (781, 314960), (880, 279527), (1016, 242110), (1136, 216535), (1240, 198374), (1270, 193688), (1364, 180340), (1397, 176080), (1420, 173228), (1562, 157480), (1705, 144272), (2032, 121055), (2201, 111760), (2480, 99187), (2540, 96844), (2728, 90170), (2794, 88040), (2840, 86614), (3124, 78740), (3410, 72136), (3905, 62992), (3937, 62480), (4402, 55880), (5080, 48422), (5456, 45085), (5588, 44020), (5680, 43307), (6248, 39370), (6820, 36068), (6985, 35216), (7810, 31496), (7874, 31240), (8804, 27940), (9017, 27280), (10160, 24211), (11005, 22352), (11176, 22010), (12496, 19685), (13640, 18034), (13970, 17608), (15620, 15748)]