81495756

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 231547680

約数和(自身を除く): 150051924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 59, 61, 68, 74, 102, 111, 118, 122, 148, 153, 177, 183, 204, 222, 236, 244, 306, 333, 354, 366, 444, 531, 549, 612, 629, 666, 708, 732, 1003, 1037, 1062, 1098, 1258, 1332, 1887, 2006, 2074, 2124, 2183, 2196, 2257, 2516, 3009, 3111, 3599, 3774, 4012, 4148, 4366, 4514, 5661, 6018, 6222, 6549, 6771, 7198, 7548, 8732, 9027, 9028, 9333, 10797, 11322, 12036, 12444, 13098, 13542, 14396, 18054, 18666, 19647, 20313, 21594, 22644, 26196, 27084, 32391, 36108, 37111, 37332, 38369, 39294, 40626, 43188, 61183, 64782, 74222, 76738, 78588, 81252, 111333, 115107, 122366, 129564, 133163, 148444, 153476, 183549, 222666, 230214, 244732, 266326, 333999, 345321, 367098, 399489, 445332, 460428, 532652, 550647, 667998, 690642, 734196, 798978, 1101294, 1198467, 1335996, 1381284, 1597956, 2202588, 2263771, 2396934, 4527542, 4793868, 6791313, 9055084, 13582626, 20373939, 27165252, 40747878, 81495756]

約数ペア:

[(1, 81495756), (2, 40747878), (3, 27165252), (4, 20373939), (6, 13582626), (9, 9055084), (12, 6791313), (17, 4793868), (18, 4527542), (34, 2396934), (36, 2263771), (37, 2202588), (51, 1597956), (59, 1381284), (61, 1335996), (68, 1198467), (74, 1101294), (102, 798978), (111, 734196), (118, 690642), (122, 667998), (148, 550647), (153, 532652), (177, 460428), (183, 445332), (204, 399489), (222, 367098), (236, 345321), (244, 333999), (306, 266326), (333, 244732), (354, 230214), (366, 222666), (444, 183549), (531, 153476), (549, 148444), (612, 133163), (629, 129564), (666, 122366), (708, 115107), (732, 111333), (1003, 81252), (1037, 78588), (1062, 76738), (1098, 74222), (1258, 64782), (1332, 61183), (1887, 43188), (2006, 40626), (2074, 39294), (2124, 38369), (2183, 37332), (2196, 37111), (2257, 36108), (2516, 32391), (3009, 27084), (3111, 26196), (3599, 22644), (3774, 21594), (4012, 20313), (4148, 19647), (4366, 18666), (4514, 18054), (5661, 14396), (6018, 13542), (6222, 13098), (6549, 12444), (6771, 12036), (7198, 11322), (7548, 10797), (8732, 9333), (9027, 9028)]