257828736

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 781401600

約数和(自身を除く): 523572864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 121, 124, 128, 132, 176, 179, 186, 192, 242, 248, 264, 341, 352, 358, 363, 372, 384, 484, 496, 528, 537, 682, 704, 716, 726, 744, 968, 992, 1023, 1056, 1074, 1364, 1408, 1432, 1452, 1488, 1936, 1969, 1984, 2046, 2112, 2148, 2728, 2864, 2904, 2976, 3751, 3872, 3938, 3968, 4092, 4224, 4296, 5456, 5549, 5728, 5808, 5907, 5952, 7502, 7744, 7876, 8184, 8592, 10912, 11098, 11253, 11456, 11616, 11814, 11904, 15004, 15488, 15752, 16368, 16647, 17184, 21659, 21824, 22196, 22506, 22912, 23232, 23628, 30008, 31504, 32736, 33294, 34368, 43318, 43648, 44392, 45012, 46464, 47256, 60016, 61039, 63008, 64977, 65472, 66588, 68736, 86636, 88784, 90024, 94512, 120032, 122078, 126016, 129954, 130944, 133176, 173272, 177568, 180048, 183117, 189024, 240064, 244156, 252032, 259908, 266352, 346544, 355136, 360096, 366234, 378048, 480128, 488312, 519816, 532704, 671429, 693088, 710272, 720192, 732468, 756096, 976624, 1039632, 1065408, 1342858, 1386176, 1440384, 1464936, 1953248, 2014287, 2079264, 2130816, 2685716, 2772352, 2929872, 3906496, 4028574, 4158528, 5371432, 5859744, 7812992, 8057148, 8317056, 10742864, 11719488, 16114296, 21485728, 23438976, 32228592, 42971456, 64457184, 85942912, 128914368, 257828736]

約数ペア:

[(1, 257828736), (2, 128914368), (3, 85942912), (4, 64457184), (6, 42971456), (8, 32228592), (11, 23438976), (12, 21485728), (16, 16114296), (22, 11719488), (24, 10742864), (31, 8317056), (32, 8057148), (33, 7812992), (44, 5859744), (48, 5371432), (62, 4158528), (64, 4028574), (66, 3906496), (88, 2929872), (93, 2772352), (96, 2685716), (121, 2130816), (124, 2079264), (128, 2014287), (132, 1953248), (176, 1464936), (179, 1440384), (186, 1386176), (192, 1342858), (242, 1065408), (248, 1039632), (264, 976624), (341, 756096), (352, 732468), (358, 720192), (363, 710272), (372, 693088), (384, 671429), (484, 532704), (496, 519816), (528, 488312), (537, 480128), (682, 378048), (704, 366234), (716, 360096), (726, 355136), (744, 346544), (968, 266352), (992, 259908), (1023, 252032), (1056, 244156), (1074, 240064), (1364, 189024), (1408, 183117), (1432, 180048), (1452, 177568), (1488, 173272), (1936, 133176), (1969, 130944), (1984, 129954), (2046, 126016), (2112, 122078), (2148, 120032), (2728, 94512), (2864, 90024), (2904, 88784), (2976, 86636), (3751, 68736), (3872, 66588), (3938, 65472), (3968, 64977), (4092, 63008), (4224, 61039), (4296, 60016), (5456, 47256), (5549, 46464), (5728, 45012), (5808, 44392), (5907, 43648), (5952, 43318), (7502, 34368), (7744, 33294), (7876, 32736), (8184, 31504), (8592, 30008), (10912, 23628), (11098, 23232), (11253, 22912), (11456, 22506), (11616, 22196), (11814, 21824), (11904, 21659), (15004, 17184), (15488, 16647), (15752, 16368)]