1285687728

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 280

約数和(自身を含む): 4117462160

約数和(自身を除く): 2831774432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 61, 72, 78, 81, 104, 108, 117, 122, 139, 144, 156, 162, 183, 208, 216, 234, 243, 244, 278, 312, 324, 351, 366, 417, 432, 468, 486, 488, 549, 556, 624, 648, 702, 729, 732, 793, 834, 936, 972, 976, 1053, 1098, 1112, 1251, 1296, 1404, 1458, 1464, 1586, 1647, 1668, 1807, 1872, 1944, 2106, 2196, 2224, 2379, 2502, 2808, 2916, 2928, 3159, 3172, 3294, 3336, 3614, 3753, 3888, 4212, 4392, 4758, 4941, 5004, 5421, 5616, 5832, 6318, 6344, 6588, 6672, 7137, 7228, 7506, 8424, 8479, 8784, 9477, 9516, 9882, 10008, 10842, 11259, 11664, 12636, 12688, 13176, 14274, 14456, 14823, 15012, 16263, 16848, 16958, 18954, 19032, 19764, 20016, 21411, 21684, 22518, 25272, 25437, 26352, 28548, 28912, 29646, 30024, 32526, 33777, 33916, 37908, 38064, 39528, 42822, 43368, 44469, 45036, 48789, 50544, 50874, 57096, 59292, 60048, 64233, 65052, 67554, 67832, 75816, 76311, 79056, 85644, 86736, 88938, 90072, 97578, 101331, 101748, 110227, 114192, 118584, 128466, 130104, 135108, 135664, 146367, 151632, 152622, 171288, 177876, 180144, 192699, 195156, 202662, 203496, 220454, 228933, 237168, 256932, 260208, 270216, 292734, 305244, 330681, 342576, 355752, 385398, 390312, 405324, 406992, 439101, 440908, 457866, 513864, 540432, 578097, 585468, 610488, 661362, 686799, 711504, 770796, 780624, 810648, 878202, 881816, 915732, 992043, 1027728, 1156194, 1170936, 1220976, 1317303, 1322724, 1373598, 1541592, 1621296, 1756404, 1763632, 1831464, 1984086, 2060397, 2312388, 2341872, 2634606, 2645448, 2747196, 2976129, 3083184, 3512808, 3662928, 3968172, 4120794, 4624776, 5269212, 5290896, 5494392, 5952258, 6181191, 7025616, 7936344, 8241588, 8928387, 9249552, 10538424, 10988784, 11904516, 12362382, 15872688, 16483176, 17856774, 21076848, 23809032, 24724764, 26785161, 32966352, 35713548, 47618064, 49449528, 53570322, 71427096, 80355483, 98899056, 107140644, 142854192, 160710966, 214281288, 321421932, 428562576, 642843864, 1285687728]

約数ペア:

[(1, 1285687728), (2, 642843864), (3, 428562576), (4, 321421932), (6, 214281288), (8, 160710966), (9, 142854192), (12, 107140644), (13, 98899056), (16, 80355483), (18, 71427096), (24, 53570322), (26, 49449528), (27, 47618064), (36, 35713548), (39, 32966352), (48, 26785161), (52, 24724764), (54, 23809032), (61, 21076848), (72, 17856774), (78, 16483176), (81, 15872688), (104, 12362382), (108, 11904516), (117, 10988784), (122, 10538424), (139, 9249552), (144, 8928387), (156, 8241588), (162, 7936344), (183, 7025616), (208, 6181191), (216, 5952258), (234, 5494392), (243, 5290896), (244, 5269212), (278, 4624776), (312, 4120794), (324, 3968172), (351, 3662928), (366, 3512808), (417, 3083184), (432, 2976129), (468, 2747196), (486, 2645448), (488, 2634606), (549, 2341872), (556, 2312388), (624, 2060397), (648, 1984086), (702, 1831464), (729, 1763632), (732, 1756404), (793, 1621296), (834, 1541592), (936, 1373598), (972, 1322724), (976, 1317303), (1053, 1220976), (1098, 1170936), (1112, 1156194), (1251, 1027728), (1296, 992043), (1404, 915732), (1458, 881816), (1464, 878202), (1586, 810648), (1647, 780624), (1668, 770796), (1807, 711504), (1872, 686799), (1944, 661362), (2106, 610488), (2196, 585468), (2224, 578097), (2379, 540432), (2502, 513864), (2808, 457866), (2916, 440908), (2928, 439101), (3159, 406992), (3172, 405324), (3294, 390312), (3336, 385398), (3614, 355752), (3753, 342576), (3888, 330681), (4212, 305244), (4392, 292734), (4758, 270216), (4941, 260208), (5004, 256932), (5421, 237168), (5616, 228933), (5832, 220454), (6318, 203496), (6344, 202662), (6588, 195156), (6672, 192699), (7137, 180144), (7228, 177876), (7506, 171288), (8424, 152622), (8479, 151632), (8784, 146367), (9477, 135664), (9516, 135108), (9882, 130104), (10008, 128466), (10842, 118584), (11259, 114192), (11664, 110227), (12636, 101748), (12688, 101331), (13176, 97578), (14274, 90072), (14456, 88938), (14823, 86736), (15012, 85644), (16263, 79056), (16848, 76311), (16958, 75816), (18954, 67832), (19032, 67554), (19764, 65052), (20016, 64233), (21411, 60048), (21684, 59292), (22518, 57096), (25272, 50874), (25437, 50544), (26352, 48789), (28548, 45036), (28912, 44469), (29646, 43368), (30024, 42822), (32526, 39528), (33777, 38064), (33916, 37908)]