256781184

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 803727360

約数和(自身を除く): 546946176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 37, 44, 48, 53, 62, 64, 66, 74, 88, 93, 96, 106, 111, 124, 128, 132, 148, 159, 176, 186, 192, 212, 222, 248, 264, 296, 318, 341, 352, 372, 384, 407, 424, 444, 496, 528, 583, 592, 636, 682, 704, 744, 814, 848, 888, 992, 1023, 1056, 1147, 1166, 1184, 1221, 1272, 1364, 1408, 1488, 1628, 1643, 1696, 1749, 1776, 1961, 1984, 2046, 2112, 2294, 2332, 2368, 2442, 2544, 2728, 2976, 3256, 3286, 3392, 3441, 3498, 3552, 3922, 3968, 4092, 4224, 4588, 4664, 4736, 4884, 4929, 5088, 5456, 5883, 5952, 6512, 6572, 6784, 6882, 6996, 7104, 7844, 8184, 9176, 9328, 9768, 9858, 10176, 10912, 11766, 11904, 12617, 13024, 13144, 13764, 13992, 14208, 15688, 16368, 18073, 18352, 18656, 19536, 19716, 20352, 21571, 21824, 23532, 25234, 26048, 26288, 27528, 27984, 31376, 32736, 36146, 36704, 37312, 37851, 39072, 39432, 43142, 43648, 47064, 50468, 52096, 52576, 54219, 55056, 55968, 60791, 62752, 64713, 65472, 72292, 73408, 74624, 75702, 78144, 78864, 86284, 94128, 100936, 105152, 108438, 110112, 111936, 121582, 125504, 129426, 130944, 144584, 146816, 151404, 156288, 157728, 172568, 182373, 188256, 201872, 210304, 216876, 220224, 223872, 243164, 251008, 258852, 289168, 302808, 315456, 345136, 364746, 376512, 403744, 433752, 440448, 486328, 517704, 578336, 605616, 630912, 668701, 690272, 729492, 753024, 807488, 867504, 972656, 1035408, 1156672, 1211232, 1337402, 1380544, 1458984, 1614976, 1735008, 1945312, 2006103, 2070816, 2313344, 2422464, 2674804, 2761088, 2917968, 3470016, 3890624, 4012206, 4141632, 4844928, 5349608, 5835936, 6940032, 7781248, 8024412, 8283264, 10699216, 11671872, 16048824, 21398432, 23343744, 32097648, 42796864, 64195296, 85593728, 128390592, 256781184]

約数ペア:

[(1, 256781184), (2, 128390592), (3, 85593728), (4, 64195296), (6, 42796864), (8, 32097648), (11, 23343744), (12, 21398432), (16, 16048824), (22, 11671872), (24, 10699216), (31, 8283264), (32, 8024412), (33, 7781248), (37, 6940032), (44, 5835936), (48, 5349608), (53, 4844928), (62, 4141632), (64, 4012206), (66, 3890624), (74, 3470016), (88, 2917968), (93, 2761088), (96, 2674804), (106, 2422464), (111, 2313344), (124, 2070816), (128, 2006103), (132, 1945312), (148, 1735008), (159, 1614976), (176, 1458984), (186, 1380544), (192, 1337402), (212, 1211232), (222, 1156672), (248, 1035408), (264, 972656), (296, 867504), (318, 807488), (341, 753024), (352, 729492), (372, 690272), (384, 668701), (407, 630912), (424, 605616), (444, 578336), (496, 517704), (528, 486328), (583, 440448), (592, 433752), (636, 403744), (682, 376512), (704, 364746), (744, 345136), (814, 315456), (848, 302808), (888, 289168), (992, 258852), (1023, 251008), (1056, 243164), (1147, 223872), (1166, 220224), (1184, 216876), (1221, 210304), (1272, 201872), (1364, 188256), (1408, 182373), (1488, 172568), (1628, 157728), (1643, 156288), (1696, 151404), (1749, 146816), (1776, 144584), (1961, 130944), (1984, 129426), (2046, 125504), (2112, 121582), (2294, 111936), (2332, 110112), (2368, 108438), (2442, 105152), (2544, 100936), (2728, 94128), (2976, 86284), (3256, 78864), (3286, 78144), (3392, 75702), (3441, 74624), (3498, 73408), (3552, 72292), (3922, 65472), (3968, 64713), (4092, 62752), (4224, 60791), (4588, 55968), (4664, 55056), (4736, 54219), (4884, 52576), (4929, 52096), (5088, 50468), (5456, 47064), (5883, 43648), (5952, 43142), (6512, 39432), (6572, 39072), (6784, 37851), (6882, 37312), (6996, 36704), (7104, 36146), (7844, 32736), (8184, 31376), (9176, 27984), (9328, 27528), (9768, 26288), (9858, 26048), (10176, 25234), (10912, 23532), (11766, 21824), (11904, 21571), (12617, 20352), (13024, 19716), (13144, 19536), (13764, 18656), (13992, 18352), (14208, 18073), (15688, 16368)]