61495940

素因数分解:

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

素因数の和:249

約数の個数: 96

約数和(自身を含む): 148635648

約数和(自身を除く): 87139708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 71, 110, 124, 127, 142, 155, 220, 254, 284, 310, 341, 355, 508, 620, 635, 682, 710, 781, 1270, 1364, 1397, 1420, 1562, 1705, 2201, 2540, 2794, 3124, 3410, 3905, 3937, 4402, 5588, 6820, 6985, 7810, 7874, 8804, 9017, 11005, 13970, 15620, 15748, 18034, 19685, 22010, 24211, 27940, 36068, 39370, 43307, 44020, 45085, 48422, 78740, 86614, 90170, 96844, 99187, 121055, 173228, 180340, 198374, 216535, 242110, 279527, 396748, 433070, 484220, 495935, 559054, 866140, 991870, 1118108, 1397635, 1983740, 2795270, 3074797, 5590540, 6149594, 12299188, 15373985, 30747970, 61495940]

約数ペア:

[(1, 61495940), (2, 30747970), (4, 15373985), (5, 12299188), (10, 6149594), (11, 5590540), (20, 3074797), (22, 2795270), (31, 1983740), (44, 1397635), (55, 1118108), (62, 991870), (71, 866140), (110, 559054), (124, 495935), (127, 484220), (142, 433070), (155, 396748), (220, 279527), (254, 242110), (284, 216535), (310, 198374), (341, 180340), (355, 173228), (508, 121055), (620, 99187), (635, 96844), (682, 90170), (710, 86614), (781, 78740), (1270, 48422), (1364, 45085), (1397, 44020), (1420, 43307), (1562, 39370), (1705, 36068), (2201, 27940), (2540, 24211), (2794, 22010), (3124, 19685), (3410, 18034), (3905, 15748), (3937, 15620), (4402, 13970), (5588, 11005), (6820, 9017), (6985, 8804), (7810, 7874)]