661654656

素因数分解:

$2^7\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4948

約数の個数: 160

約数和(自身を含む): 2120972700

約数和(自身を除く): 1459318044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 384, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1152, 1248, 1296, 1404, 1664, 1728, 1872, 2106, 2496, 2592, 2808, 3456, 3744, 4212, 4909, 4992, 5184, 5616, 7488, 8424, 9818, 10368, 11232, 14727, 14976, 16848, 19636, 22464, 29454, 33696, 39272, 44181, 44928, 58908, 63817, 67392, 78544, 88362, 117816, 127634, 132543, 134784, 157088, 176724, 191451, 235632, 255268, 265086, 314176, 353448, 382902, 397629, 471264, 510536, 530172, 574353, 628352, 706896, 765804, 795258, 942528, 1021072, 1060344, 1148706, 1413792, 1531608, 1590516, 1723059, 1885056, 2042144, 2120688, 2297412, 2827584, 3063216, 3181032, 3446118, 4084288, 4241376, 4594824, 5169177, 5655168, 6126432, 6362064, 6892236, 8168576, 8482752, 9189648, 10338354, 12252864, 12724128, 13784472, 16965504, 18379296, 20676708, 24505728, 25448256, 27568944, 36758592, 41353416, 50896512, 55137888, 73517184, 82706832, 110275776, 165413664, 220551552, 330827328, 661654656]

約数ペア:

[(1, 661654656), (2, 330827328), (3, 220551552), (4, 165413664), (6, 110275776), (8, 82706832), (9, 73517184), (12, 55137888), (13, 50896512), (16, 41353416), (18, 36758592), (24, 27568944), (26, 25448256), (27, 24505728), (32, 20676708), (36, 18379296), (39, 16965504), (48, 13784472), (52, 12724128), (54, 12252864), (64, 10338354), (72, 9189648), (78, 8482752), (81, 8168576), (96, 6892236), (104, 6362064), (108, 6126432), (117, 5655168), (128, 5169177), (144, 4594824), (156, 4241376), (162, 4084288), (192, 3446118), (208, 3181032), (216, 3063216), (234, 2827584), (288, 2297412), (312, 2120688), (324, 2042144), (351, 1885056), (384, 1723059), (416, 1590516), (432, 1531608), (468, 1413792), (576, 1148706), (624, 1060344), (648, 1021072), (702, 942528), (832, 795258), (864, 765804), (936, 706896), (1053, 628352), (1152, 574353), (1248, 530172), (1296, 510536), (1404, 471264), (1664, 397629), (1728, 382902), (1872, 353448), (2106, 314176), (2496, 265086), (2592, 255268), (2808, 235632), (3456, 191451), (3744, 176724), (4212, 157088), (4909, 134784), (4992, 132543), (5184, 127634), (5616, 117816), (7488, 88362), (8424, 78544), (9818, 67392), (10368, 63817), (11232, 58908), (14727, 44928), (14976, 44181), (16848, 39272), (19636, 33696), (22464, 29454)]