256467168

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 192

約数和(自身を含む): 834624000

約数和(自身を除く): 578156832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 38, 48, 51, 54, 57, 68, 72, 76, 96, 102, 108, 114, 136, 144, 152, 153, 171, 204, 216, 228, 272, 288, 304, 306, 323, 342, 408, 432, 456, 459, 513, 544, 608, 612, 646, 684, 816, 864, 912, 918, 919, 969, 1026, 1224, 1292, 1368, 1632, 1824, 1836, 1838, 1938, 2052, 2448, 2584, 2736, 2757, 2907, 3672, 3676, 3876, 4104, 4896, 5168, 5472, 5514, 5814, 7344, 7352, 7752, 8208, 8271, 8721, 10336, 11028, 11628, 14688, 14704, 15504, 15623, 16416, 16542, 17442, 17461, 22056, 23256, 24813, 29408, 31008, 31246, 33084, 34884, 34922, 44112, 46512, 46869, 49626, 52383, 62492, 66168, 69768, 69844, 88224, 93024, 93738, 99252, 104766, 124984, 132336, 139536, 139688, 140607, 157149, 187476, 198504, 209532, 249968, 264672, 279072, 279376, 281214, 296837, 314298, 374952, 397008, 419064, 421821, 471447, 499936, 558752, 562428, 593674, 628596, 749904, 794016, 838128, 843642, 890511, 942894, 1124856, 1187348, 1257192, 1499808, 1676256, 1687284, 1781022, 1885788, 2249712, 2374696, 2514384, 2671533, 3374568, 3562044, 3771576, 4499424, 4749392, 5028768, 5343066, 6749136, 7124088, 7543152, 8014599, 9498784, 10686132, 13498272, 14248176, 15086304, 16029198, 21372264, 28496352, 32058396, 42744528, 64116792, 85489056, 128233584, 256467168]

約数ペア:

[(1, 256467168), (2, 128233584), (3, 85489056), (4, 64116792), (6, 42744528), (8, 32058396), (9, 28496352), (12, 21372264), (16, 16029198), (17, 15086304), (18, 14248176), (19, 13498272), (24, 10686132), (27, 9498784), (32, 8014599), (34, 7543152), (36, 7124088), (38, 6749136), (48, 5343066), (51, 5028768), (54, 4749392), (57, 4499424), (68, 3771576), (72, 3562044), (76, 3374568), (96, 2671533), (102, 2514384), (108, 2374696), (114, 2249712), (136, 1885788), (144, 1781022), (152, 1687284), (153, 1676256), (171, 1499808), (204, 1257192), (216, 1187348), (228, 1124856), (272, 942894), (288, 890511), (304, 843642), (306, 838128), (323, 794016), (342, 749904), (408, 628596), (432, 593674), (456, 562428), (459, 558752), (513, 499936), (544, 471447), (608, 421821), (612, 419064), (646, 397008), (684, 374952), (816, 314298), (864, 296837), (912, 281214), (918, 279376), (919, 279072), (969, 264672), (1026, 249968), (1224, 209532), (1292, 198504), (1368, 187476), (1632, 157149), (1824, 140607), (1836, 139688), (1838, 139536), (1938, 132336), (2052, 124984), (2448, 104766), (2584, 99252), (2736, 93738), (2757, 93024), (2907, 88224), (3672, 69844), (3676, 69768), (3876, 66168), (4104, 62492), (4896, 52383), (5168, 49626), (5472, 46869), (5514, 46512), (5814, 44112), (7344, 34922), (7352, 34884), (7752, 33084), (8208, 31246), (8271, 31008), (8721, 29408), (10336, 24813), (11028, 23256), (11628, 22056), (14688, 17461), (14704, 17442), (15504, 16542), (15623, 16416)]