81268824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 252887040

約数和(自身を除く): 171618216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 127, 156, 168, 182, 254, 273, 293, 312, 364, 381, 508, 546, 586, 728, 762, 879, 889, 1016, 1092, 1172, 1524, 1651, 1758, 1778, 2051, 2184, 2344, 2667, 3048, 3302, 3516, 3556, 3809, 4102, 4953, 5334, 6153, 6604, 7032, 7112, 7618, 8204, 9906, 10668, 11427, 11557, 12306, 13208, 15236, 16408, 19812, 21336, 22854, 23114, 24612, 26663, 30472, 34671, 37211, 39624, 45708, 46228, 49224, 53326, 69342, 74422, 79989, 91416, 92456, 106652, 111633, 138684, 148844, 159978, 213304, 223266, 260477, 277368, 297688, 319956, 446532, 483743, 520954, 639912, 781431, 893064, 967486, 1041908, 1451229, 1562862, 1934972, 2083816, 2902458, 3125724, 3386201, 3869944, 5804916, 6251448, 6772402, 10158603, 11609832, 13544804, 20317206, 27089608, 40634412, 81268824]

約数ペア:

[(1, 81268824), (2, 40634412), (3, 27089608), (4, 20317206), (6, 13544804), (7, 11609832), (8, 10158603), (12, 6772402), (13, 6251448), (14, 5804916), (21, 3869944), (24, 3386201), (26, 3125724), (28, 2902458), (39, 2083816), (42, 1934972), (52, 1562862), (56, 1451229), (78, 1041908), (84, 967486), (91, 893064), (104, 781431), (127, 639912), (156, 520954), (168, 483743), (182, 446532), (254, 319956), (273, 297688), (293, 277368), (312, 260477), (364, 223266), (381, 213304), (508, 159978), (546, 148844), (586, 138684), (728, 111633), (762, 106652), (879, 92456), (889, 91416), (1016, 79989), (1092, 74422), (1172, 69342), (1524, 53326), (1651, 49224), (1758, 46228), (1778, 45708), (2051, 39624), (2184, 37211), (2344, 34671), (2667, 30472), (3048, 26663), (3302, 24612), (3516, 23114), (3556, 22854), (3809, 21336), (4102, 19812), (4953, 16408), (5334, 15236), (6153, 13208), (6604, 12306), (7032, 11557), (7112, 11427), (7618, 10668), (8204, 9906)]