256218534

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 712857600

約数和(自身を除く): 456639066

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 31, 33, 38, 39, 57, 62, 66, 78, 93, 99, 114, 117, 143, 169, 171, 186, 198, 209, 234, 247, 279, 286, 338, 341, 342, 403, 418, 429, 494, 507, 558, 589, 627, 682, 741, 806, 858, 1014, 1023, 1178, 1209, 1254, 1287, 1482, 1521, 1767, 1859, 1881, 2046, 2197, 2223, 2418, 2574, 2717, 3042, 3069, 3211, 3534, 3627, 3718, 3762, 4394, 4433, 4446, 5239, 5301, 5434, 5577, 6138, 6422, 6479, 6591, 7254, 7657, 8151, 8866, 9633, 10478, 10602, 11154, 12958, 13182, 13299, 15314, 15717, 16302, 16731, 19266, 19437, 19773, 22971, 24167, 24453, 26598, 28899, 31434, 33462, 35321, 38874, 39546, 39897, 41743, 45942, 47151, 48334, 48906, 57629, 57798, 58311, 68107, 68913, 70642, 72501, 79794, 83486, 84227, 94302, 99541, 105963, 115258, 116622, 125229, 136214, 137826, 145002, 168454, 172887, 199082, 204321, 211926, 217503, 250458, 252681, 298623, 317889, 345774, 375687, 408642, 435006, 459173, 505362, 518661, 597246, 612963, 635778, 749177, 751374, 758043, 895869, 918346, 1037322, 1094951, 1225926, 1294033, 1377519, 1498354, 1516086, 1791738, 2189902, 2247531, 2588066, 2755038, 3284853, 3882099, 4132557, 4495062, 6569706, 6742593, 7764198, 8265114, 9854559, 11646297, 13485186, 14234363, 19709118, 23292594, 28468726, 42703089, 85406178, 128109267, 256218534]

約数ペア:

[(1, 256218534), (2, 128109267), (3, 85406178), (6, 42703089), (9, 28468726), (11, 23292594), (13, 19709118), (18, 14234363), (19, 13485186), (22, 11646297), (26, 9854559), (31, 8265114), (33, 7764198), (38, 6742593), (39, 6569706), (57, 4495062), (62, 4132557), (66, 3882099), (78, 3284853), (93, 2755038), (99, 2588066), (114, 2247531), (117, 2189902), (143, 1791738), (169, 1516086), (171, 1498354), (186, 1377519), (198, 1294033), (209, 1225926), (234, 1094951), (247, 1037322), (279, 918346), (286, 895869), (338, 758043), (341, 751374), (342, 749177), (403, 635778), (418, 612963), (429, 597246), (494, 518661), (507, 505362), (558, 459173), (589, 435006), (627, 408642), (682, 375687), (741, 345774), (806, 317889), (858, 298623), (1014, 252681), (1023, 250458), (1178, 217503), (1209, 211926), (1254, 204321), (1287, 199082), (1482, 172887), (1521, 168454), (1767, 145002), (1859, 137826), (1881, 136214), (2046, 125229), (2197, 116622), (2223, 115258), (2418, 105963), (2574, 99541), (2717, 94302), (3042, 84227), (3069, 83486), (3211, 79794), (3534, 72501), (3627, 70642), (3718, 68913), (3762, 68107), (4394, 58311), (4433, 57798), (4446, 57629), (5239, 48906), (5301, 48334), (5434, 47151), (5577, 45942), (6138, 41743), (6422, 39897), (6479, 39546), (6591, 38874), (7254, 35321), (7657, 33462), (8151, 31434), (8866, 28899), (9633, 26598), (10478, 24453), (10602, 24167), (11154, 22971), (12958, 19773), (13182, 19437), (13299, 19266), (15314, 16731), (15717, 16302)]