257663952

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:147

約数の個数: 270

約数和(自身を含む): 920723622

約数和(自身を除く): 663059670

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 53, 56, 63, 72, 78, 84, 91, 98, 104, 106, 112, 117, 126, 144, 147, 156, 159, 168, 182, 196, 208, 212, 234, 252, 273, 294, 312, 318, 336, 364, 371, 392, 424, 441, 468, 477, 504, 546, 588, 624, 636, 637, 689, 728, 742, 784, 819, 848, 882, 936, 954, 1008, 1092, 1113, 1176, 1272, 1274, 1378, 1456, 1484, 1638, 1764, 1872, 1908, 1911, 2067, 2184, 2226, 2352, 2544, 2548, 2597, 2756, 2809, 2968, 3276, 3339, 3528, 3816, 3822, 4134, 4368, 4452, 4823, 5096, 5194, 5512, 5618, 5733, 5936, 6201, 6552, 6678, 7056, 7632, 7644, 7791, 8268, 8427, 8904, 9646, 10192, 10388, 11024, 11236, 11466, 12402, 13104, 13356, 14469, 15288, 15582, 16536, 16854, 17808, 19292, 19663, 20776, 22472, 22932, 23373, 24804, 25281, 26712, 28938, 30576, 31164, 33072, 33708, 33761, 36517, 38584, 39326, 41552, 43407, 44944, 45864, 46746, 49608, 50562, 53424, 57876, 58989, 62328, 67416, 67522, 73034, 77168, 78652, 86814, 91728, 93492, 99216, 101124, 101283, 109551, 115752, 117978, 124656, 134832, 135044, 137641, 146068, 157304, 173628, 176967, 186984, 202248, 202566, 219102, 231504, 235956, 255619, 270088, 275282, 292136, 303849, 314608, 328653, 347256, 353934, 373968, 404496, 405132, 412923, 438204, 471912, 511238, 540176, 550564, 584272, 607698, 657306, 694512, 707868, 766857, 810264, 825846, 876408, 943824, 1022476, 1101128, 1215396, 1238769, 1314612, 1415736, 1533714, 1620528, 1651692, 1752816, 1789333, 2044952, 2202256, 2300571, 2430792, 2477538, 2629224, 2831472, 3067428, 3303384, 3578666, 4089904, 4601142, 4861584, 4955076, 5258448, 5367999, 6134856, 6606768, 7157332, 9202284, 9910152, 10735998, 12269712, 14314664, 16103997, 18404568, 19820304, 21471996, 28629328, 32207994, 36809136, 42943992, 64415988, 85887984, 128831976, 257663952]

約数ペア:

[(1, 257663952), (2, 128831976), (3, 85887984), (4, 64415988), (6, 42943992), (7, 36809136), (8, 32207994), (9, 28629328), (12, 21471996), (13, 19820304), (14, 18404568), (16, 16103997), (18, 14314664), (21, 12269712), (24, 10735998), (26, 9910152), (28, 9202284), (36, 7157332), (39, 6606768), (42, 6134856), (48, 5367999), (49, 5258448), (52, 4955076), (53, 4861584), (56, 4601142), (63, 4089904), (72, 3578666), (78, 3303384), (84, 3067428), (91, 2831472), (98, 2629224), (104, 2477538), (106, 2430792), (112, 2300571), (117, 2202256), (126, 2044952), (144, 1789333), (147, 1752816), (156, 1651692), (159, 1620528), (168, 1533714), (182, 1415736), (196, 1314612), (208, 1238769), (212, 1215396), (234, 1101128), (252, 1022476), (273, 943824), (294, 876408), (312, 825846), (318, 810264), (336, 766857), (364, 707868), (371, 694512), (392, 657306), (424, 607698), (441, 584272), (468, 550564), (477, 540176), (504, 511238), (546, 471912), (588, 438204), (624, 412923), (636, 405132), (637, 404496), (689, 373968), (728, 353934), (742, 347256), (784, 328653), (819, 314608), (848, 303849), (882, 292136), (936, 275282), (954, 270088), (1008, 255619), (1092, 235956), (1113, 231504), (1176, 219102), (1272, 202566), (1274, 202248), (1378, 186984), (1456, 176967), (1484, 173628), (1638, 157304), (1764, 146068), (1872, 137641), (1908, 135044), (1911, 134832), (2067, 124656), (2184, 117978), (2226, 115752), (2352, 109551), (2544, 101283), (2548, 101124), (2597, 99216), (2756, 93492), (2809, 91728), (2968, 86814), (3276, 78652), (3339, 77168), (3528, 73034), (3816, 67522), (3822, 67416), (4134, 62328), (4368, 58989), (4452, 57876), (4823, 53424), (5096, 50562), (5194, 49608), (5512, 46746), (5618, 45864), (5733, 44944), (5936, 43407), (6201, 41552), (6552, 39326), (6678, 38584), (7056, 36517), (7632, 33761), (7644, 33708), (7791, 33072), (8268, 31164), (8427, 30576), (8904, 28938), (9646, 26712), (10192, 25281), (10388, 24804), (11024, 23373), (11236, 22932), (11466, 22472), (12402, 20776), (13104, 19663), (13356, 19292), (14469, 17808), (15288, 16854), (15582, 16536)]