256502736

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 240

約数和(自身を含む): 882086400

約数和(自身を除く): 625583664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 59, 63, 72, 76, 84, 112, 114, 118, 126, 133, 144, 152, 168, 171, 177, 227, 228, 236, 252, 266, 304, 336, 342, 354, 399, 413, 454, 456, 472, 504, 531, 532, 681, 684, 708, 798, 826, 908, 912, 944, 1008, 1062, 1064, 1121, 1197, 1239, 1362, 1368, 1416, 1589, 1596, 1652, 1816, 2043, 2124, 2128, 2242, 2394, 2478, 2724, 2736, 2832, 3178, 3192, 3304, 3363, 3632, 3717, 4086, 4248, 4313, 4484, 4767, 4788, 4956, 5448, 6356, 6384, 6608, 6726, 7434, 7847, 8172, 8496, 8626, 8968, 9534, 9576, 9912, 10089, 10896, 12712, 12939, 13393, 13452, 14301, 14868, 15694, 16344, 17252, 17936, 19068, 19152, 19824, 20178, 23541, 25424, 25878, 26786, 26904, 28602, 29736, 30191, 31388, 32688, 34504, 38136, 38817, 40179, 40356, 47082, 51756, 53572, 53808, 57204, 59472, 60382, 62776, 69008, 70623, 76272, 77634, 80358, 80712, 90573, 93751, 94164, 103512, 107144, 114408, 120537, 120764, 125552, 141246, 155268, 160716, 161424, 181146, 187502, 188328, 207024, 214288, 228816, 241074, 241528, 254467, 271719, 281253, 282492, 310536, 321432, 362292, 375004, 376656, 482148, 483056, 508934, 543438, 562506, 564984, 621072, 642864, 724584, 750008, 763401, 843759, 964296, 1017868, 1086876, 1125012, 1129968, 1449168, 1500016, 1526802, 1687518, 1781269, 1928592, 2035736, 2173752, 2250024, 2290203, 3053604, 3375036, 3562538, 4071472, 4347504, 4500048, 4580406, 5343807, 6107208, 6750072, 7125076, 9160812, 10687614, 12214416, 13500144, 14250152, 16031421, 18321624, 21375228, 28500304, 32062842, 36643248, 42750456, 64125684, 85500912, 128251368, 256502736]

約数ペア:

[(1, 256502736), (2, 128251368), (3, 85500912), (4, 64125684), (6, 42750456), (7, 36643248), (8, 32062842), (9, 28500304), (12, 21375228), (14, 18321624), (16, 16031421), (18, 14250152), (19, 13500144), (21, 12214416), (24, 10687614), (28, 9160812), (36, 7125076), (38, 6750072), (42, 6107208), (48, 5343807), (56, 4580406), (57, 4500048), (59, 4347504), (63, 4071472), (72, 3562538), (76, 3375036), (84, 3053604), (112, 2290203), (114, 2250024), (118, 2173752), (126, 2035736), (133, 1928592), (144, 1781269), (152, 1687518), (168, 1526802), (171, 1500016), (177, 1449168), (227, 1129968), (228, 1125012), (236, 1086876), (252, 1017868), (266, 964296), (304, 843759), (336, 763401), (342, 750008), (354, 724584), (399, 642864), (413, 621072), (454, 564984), (456, 562506), (472, 543438), (504, 508934), (531, 483056), (532, 482148), (681, 376656), (684, 375004), (708, 362292), (798, 321432), (826, 310536), (908, 282492), (912, 281253), (944, 271719), (1008, 254467), (1062, 241528), (1064, 241074), (1121, 228816), (1197, 214288), (1239, 207024), (1362, 188328), (1368, 187502), (1416, 181146), (1589, 161424), (1596, 160716), (1652, 155268), (1816, 141246), (2043, 125552), (2124, 120764), (2128, 120537), (2242, 114408), (2394, 107144), (2478, 103512), (2724, 94164), (2736, 93751), (2832, 90573), (3178, 80712), (3192, 80358), (3304, 77634), (3363, 76272), (3632, 70623), (3717, 69008), (4086, 62776), (4248, 60382), (4313, 59472), (4484, 57204), (4767, 53808), (4788, 53572), (4956, 51756), (5448, 47082), (6356, 40356), (6384, 40179), (6608, 38817), (6726, 38136), (7434, 34504), (7847, 32688), (8172, 31388), (8496, 30191), (8626, 29736), (8968, 28602), (9534, 26904), (9576, 26786), (9912, 25878), (10089, 25424), (10896, 23541), (12712, 20178), (12939, 19824), (13393, 19152), (13452, 19068), (14301, 17936), (14868, 17252), (15694, 16344)]