1261789776

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1354

約数の個数: 240

約数和(自身を含む): 4159733760

約数和(自身を除く): 2897943984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 31, 34, 36, 39, 48, 51, 52, 62, 68, 72, 78, 93, 102, 104, 117, 124, 136, 144, 153, 156, 186, 204, 208, 221, 234, 248, 272, 279, 306, 312, 372, 403, 408, 442, 468, 496, 527, 558, 612, 624, 663, 744, 806, 816, 884, 936, 1054, 1116, 1209, 1224, 1279, 1326, 1488, 1581, 1612, 1768, 1872, 1989, 2108, 2232, 2418, 2448, 2558, 2652, 3162, 3224, 3536, 3627, 3837, 3978, 4216, 4464, 4743, 4836, 5116, 5304, 6324, 6448, 6851, 7254, 7674, 7956, 8432, 9486, 9672, 10232, 10608, 11511, 12648, 13702, 14508, 15348, 15912, 16627, 18972, 19344, 20464, 20553, 21743, 23022, 25296, 27404, 29016, 30696, 31824, 33254, 37944, 39649, 41106, 43486, 46044, 49881, 54808, 58032, 61392, 61659, 65229, 66508, 75888, 79298, 82212, 86972, 92088, 99762, 109616, 118947, 123318, 130458, 133016, 149643, 158596, 164424, 173944, 184176, 195687, 199524, 237894, 246636, 260916, 266032, 282659, 299286, 317192, 328848, 347888, 356841, 391374, 399048, 475788, 493272, 515437, 521832, 565318, 598572, 634384, 674033, 713682, 782748, 798096, 847977, 951576, 986544, 1030874, 1043664, 1130636, 1197144, 1348066, 1427364, 1546311, 1565496, 1695954, 1903152, 2022099, 2061748, 2261272, 2394288, 2543931, 2696132, 2854728, 3092622, 3130992, 3391908, 4044198, 4123496, 4522544, 4638933, 5087862, 5392264, 5709456, 6066297, 6185244, 6783816, 8088396, 8246992, 8762429, 9277866, 10175724, 10784528, 12132594, 12370488, 13567632, 16176792, 17524858, 18555732, 20351448, 24265188, 24740976, 26287287, 32353584, 35049716, 37111464, 40702896, 48530376, 52574574, 70099432, 74222928, 78861861, 97060752, 105149148, 140198864, 157723722, 210298296, 315447444, 420596592, 630894888, 1261789776]

約数ペア:

[(1, 1261789776), (2, 630894888), (3, 420596592), (4, 315447444), (6, 210298296), (8, 157723722), (9, 140198864), (12, 105149148), (13, 97060752), (16, 78861861), (17, 74222928), (18, 70099432), (24, 52574574), (26, 48530376), (31, 40702896), (34, 37111464), (36, 35049716), (39, 32353584), (48, 26287287), (51, 24740976), (52, 24265188), (62, 20351448), (68, 18555732), (72, 17524858), (78, 16176792), (93, 13567632), (102, 12370488), (104, 12132594), (117, 10784528), (124, 10175724), (136, 9277866), (144, 8762429), (153, 8246992), (156, 8088396), (186, 6783816), (204, 6185244), (208, 6066297), (221, 5709456), (234, 5392264), (248, 5087862), (272, 4638933), (279, 4522544), (306, 4123496), (312, 4044198), (372, 3391908), (403, 3130992), (408, 3092622), (442, 2854728), (468, 2696132), (496, 2543931), (527, 2394288), (558, 2261272), (612, 2061748), (624, 2022099), (663, 1903152), (744, 1695954), (806, 1565496), (816, 1546311), (884, 1427364), (936, 1348066), (1054, 1197144), (1116, 1130636), (1209, 1043664), (1224, 1030874), (1279, 986544), (1326, 951576), (1488, 847977), (1581, 798096), (1612, 782748), (1768, 713682), (1872, 674033), (1989, 634384), (2108, 598572), (2232, 565318), (2418, 521832), (2448, 515437), (2558, 493272), (2652, 475788), (3162, 399048), (3224, 391374), (3536, 356841), (3627, 347888), (3837, 328848), (3978, 317192), (4216, 299286), (4464, 282659), (4743, 266032), (4836, 260916), (5116, 246636), (5304, 237894), (6324, 199524), (6448, 195687), (6851, 184176), (7254, 173944), (7674, 164424), (7956, 158596), (8432, 149643), (9486, 133016), (9672, 130458), (10232, 123318), (10608, 118947), (11511, 109616), (12648, 99762), (13702, 92088), (14508, 86972), (15348, 82212), (15912, 79298), (16627, 75888), (18972, 66508), (19344, 65229), (20464, 61659), (20553, 61392), (21743, 58032), (23022, 54808), (25296, 49881), (27404, 46044), (29016, 43486), (30696, 41106), (31824, 39649), (33254, 37944)]