122991880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 318504960

約数和(自身を除く): 195513080

約数列:

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

約数ペア:

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