256018464

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 288

約数和(自身を含む): 853070400

約数和(自身を除く): 597051936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 59, 61, 72, 76, 78, 96, 104, 114, 117, 118, 122, 144, 152, 156, 171, 177, 183, 208, 228, 234, 236, 244, 247, 288, 304, 312, 342, 354, 366, 416, 456, 468, 472, 488, 494, 531, 549, 608, 624, 684, 708, 732, 741, 767, 793, 912, 936, 944, 976, 988, 1062, 1098, 1121, 1159, 1248, 1368, 1416, 1464, 1482, 1534, 1586, 1824, 1872, 1888, 1952, 1976, 2124, 2196, 2223, 2242, 2301, 2318, 2379, 2736, 2832, 2928, 2964, 3068, 3172, 3363, 3477, 3599, 3744, 3952, 4248, 4392, 4446, 4484, 4602, 4636, 4758, 5472, 5664, 5856, 5928, 6136, 6344, 6726, 6903, 6954, 7137, 7198, 7904, 8496, 8784, 8892, 8968, 9204, 9272, 9516, 10089, 10431, 10797, 11856, 12272, 12688, 13452, 13806, 13908, 14274, 14396, 14573, 15067, 16992, 17568, 17784, 17936, 18408, 18544, 19032, 20178, 20862, 21594, 23712, 24544, 25376, 26904, 27612, 27816, 28548, 28792, 29146, 30134, 32391, 35568, 35872, 36816, 37088, 38064, 40356, 41724, 43188, 43719, 45201, 46787, 53808, 55224, 55632, 57096, 57584, 58292, 60268, 64782, 68381, 71136, 73632, 76128, 80712, 83448, 86376, 87438, 90402, 93574, 107616, 110448, 111264, 114192, 115168, 116584, 120536, 129564, 131157, 135603, 136762, 140361, 161424, 166896, 172752, 174876, 180804, 187148, 205143, 220896, 228384, 233168, 241072, 259128, 262314, 271206, 273524, 280722, 322848, 333792, 345504, 349752, 361608, 374296, 410286, 421083, 466336, 482144, 518256, 524628, 542412, 547048, 561444, 615429, 699504, 723216, 748592, 820572, 842166, 888953, 1036512, 1049256, 1084824, 1094096, 1122888, 1230858, 1399008, 1446432, 1497184, 1641144, 1684332, 1777906, 2098512, 2169648, 2188192, 2245776, 2461716, 2666859, 3282288, 3368664, 3555812, 4197024, 4339296, 4491552, 4923432, 5333718, 6564576, 6737328, 7111624, 8000577, 9846864, 10667436, 13474656, 14223248, 16001154, 19693728, 21334872, 28446496, 32002308, 42669744, 64004616, 85339488, 128009232, 256018464]

約数ペア:

[(1, 256018464), (2, 128009232), (3, 85339488), (4, 64004616), (6, 42669744), (8, 32002308), (9, 28446496), (12, 21334872), (13, 19693728), (16, 16001154), (18, 14223248), (19, 13474656), (24, 10667436), (26, 9846864), (32, 8000577), (36, 7111624), (38, 6737328), (39, 6564576), (48, 5333718), (52, 4923432), (57, 4491552), (59, 4339296), (61, 4197024), (72, 3555812), (76, 3368664), (78, 3282288), (96, 2666859), (104, 2461716), (114, 2245776), (117, 2188192), (118, 2169648), (122, 2098512), (144, 1777906), (152, 1684332), (156, 1641144), (171, 1497184), (177, 1446432), (183, 1399008), (208, 1230858), (228, 1122888), (234, 1094096), (236, 1084824), (244, 1049256), (247, 1036512), (288, 888953), (304, 842166), (312, 820572), (342, 748592), (354, 723216), (366, 699504), (416, 615429), (456, 561444), (468, 547048), (472, 542412), (488, 524628), (494, 518256), (531, 482144), (549, 466336), (608, 421083), (624, 410286), (684, 374296), (708, 361608), (732, 349752), (741, 345504), (767, 333792), (793, 322848), (912, 280722), (936, 273524), (944, 271206), (976, 262314), (988, 259128), (1062, 241072), (1098, 233168), (1121, 228384), (1159, 220896), (1248, 205143), (1368, 187148), (1416, 180804), (1464, 174876), (1482, 172752), (1534, 166896), (1586, 161424), (1824, 140361), (1872, 136762), (1888, 135603), (1952, 131157), (1976, 129564), (2124, 120536), (2196, 116584), (2223, 115168), (2242, 114192), (2301, 111264), (2318, 110448), (2379, 107616), (2736, 93574), (2832, 90402), (2928, 87438), (2964, 86376), (3068, 83448), (3172, 80712), (3363, 76128), (3477, 73632), (3599, 71136), (3744, 68381), (3952, 64782), (4248, 60268), (4392, 58292), (4446, 57584), (4484, 57096), (4602, 55632), (4636, 55224), (4758, 53808), (5472, 46787), (5664, 45201), (5856, 43719), (5928, 43188), (6136, 41724), (6344, 40356), (6726, 38064), (6903, 37088), (6954, 36816), (7137, 35872), (7198, 35568), (7904, 32391), (8496, 30134), (8784, 29146), (8892, 28792), (8968, 28548), (9204, 27816), (9272, 27612), (9516, 26904), (10089, 25376), (10431, 24544), (10797, 23712), (11856, 21594), (12272, 20862), (12688, 20178), (13452, 19032), (13806, 18544), (13908, 18408), (14274, 17936), (14396, 17784), (14573, 17568), (15067, 16992)]