256578432

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 822528000

約数和(自身を除く): 565949568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 23, 24, 32, 33, 38, 44, 46, 48, 57, 64, 66, 69, 76, 88, 92, 96, 114, 128, 132, 138, 139, 152, 176, 184, 192, 209, 228, 253, 264, 276, 278, 304, 352, 368, 384, 417, 418, 437, 456, 506, 528, 552, 556, 608, 627, 704, 736, 759, 834, 836, 874, 912, 1012, 1056, 1104, 1112, 1216, 1254, 1311, 1408, 1472, 1518, 1529, 1668, 1672, 1748, 1824, 2024, 2112, 2208, 2224, 2432, 2508, 2622, 2641, 2944, 3036, 3058, 3197, 3336, 3344, 3496, 3648, 4048, 4224, 4416, 4448, 4587, 4807, 5016, 5244, 5282, 6072, 6116, 6394, 6672, 6688, 6992, 7296, 7923, 8096, 8832, 8896, 9174, 9591, 9614, 10032, 10488, 10564, 12144, 12232, 12788, 13344, 13376, 13984, 14421, 15846, 16192, 17792, 18348, 19182, 19228, 20064, 20976, 21128, 24288, 24464, 25576, 26688, 26752, 27968, 28842, 29051, 31692, 32384, 35167, 36696, 38364, 38456, 40128, 41952, 42256, 48576, 48928, 51152, 53376, 55936, 57684, 58102, 60743, 63384, 70334, 73392, 76728, 76912, 80256, 83904, 84512, 87153, 97152, 97856, 102304, 105501, 115368, 116204, 121486, 126768, 140668, 146784, 153456, 153824, 167808, 169024, 174306, 182229, 195712, 204608, 211002, 230736, 232408, 242972, 253536, 281336, 293568, 306912, 307648, 338048, 348612, 364458, 409216, 422004, 461472, 464816, 485944, 507072, 562672, 587136, 613824, 615296, 668173, 697224, 728916, 844008, 922944, 929632, 971888, 1014144, 1125344, 1227648, 1336346, 1394448, 1457832, 1688016, 1845888, 1859264, 1943776, 2004519, 2250688, 2672692, 2788896, 2915664, 3376032, 3718528, 3887552, 4009038, 4501376, 5345384, 5577792, 5831328, 6752064, 7775104, 8018076, 10690768, 11155584, 11662656, 13504128, 16036152, 21381536, 23325312, 32072304, 42763072, 64144608, 85526144, 128289216, 256578432]

約数ペア:

[(1, 256578432), (2, 128289216), (3, 85526144), (4, 64144608), (6, 42763072), (8, 32072304), (11, 23325312), (12, 21381536), (16, 16036152), (19, 13504128), (22, 11662656), (23, 11155584), (24, 10690768), (32, 8018076), (33, 7775104), (38, 6752064), (44, 5831328), (46, 5577792), (48, 5345384), (57, 4501376), (64, 4009038), (66, 3887552), (69, 3718528), (76, 3376032), (88, 2915664), (92, 2788896), (96, 2672692), (114, 2250688), (128, 2004519), (132, 1943776), (138, 1859264), (139, 1845888), (152, 1688016), (176, 1457832), (184, 1394448), (192, 1336346), (209, 1227648), (228, 1125344), (253, 1014144), (264, 971888), (276, 929632), (278, 922944), (304, 844008), (352, 728916), (368, 697224), (384, 668173), (417, 615296), (418, 613824), (437, 587136), (456, 562672), (506, 507072), (528, 485944), (552, 464816), (556, 461472), (608, 422004), (627, 409216), (704, 364458), (736, 348612), (759, 338048), (834, 307648), (836, 306912), (874, 293568), (912, 281336), (1012, 253536), (1056, 242972), (1104, 232408), (1112, 230736), (1216, 211002), (1254, 204608), (1311, 195712), (1408, 182229), (1472, 174306), (1518, 169024), (1529, 167808), (1668, 153824), (1672, 153456), (1748, 146784), (1824, 140668), (2024, 126768), (2112, 121486), (2208, 116204), (2224, 115368), (2432, 105501), (2508, 102304), (2622, 97856), (2641, 97152), (2944, 87153), (3036, 84512), (3058, 83904), (3197, 80256), (3336, 76912), (3344, 76728), (3496, 73392), (3648, 70334), (4048, 63384), (4224, 60743), (4416, 58102), (4448, 57684), (4587, 55936), (4807, 53376), (5016, 51152), (5244, 48928), (5282, 48576), (6072, 42256), (6116, 41952), (6394, 40128), (6672, 38456), (6688, 38364), (6992, 36696), (7296, 35167), (7923, 32384), (8096, 31692), (8832, 29051), (8896, 28842), (9174, 27968), (9591, 26752), (9614, 26688), (10032, 25576), (10488, 24464), (10564, 24288), (12144, 21128), (12232, 20976), (12788, 20064), (13344, 19228), (13376, 19182), (13984, 18348), (14421, 17792), (15846, 16192)]