256533888

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 761572800

約数和(自身を除く): 505038912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 59, 64, 67, 78, 96, 104, 118, 128, 134, 156, 169, 177, 192, 201, 208, 236, 268, 312, 338, 354, 384, 402, 416, 472, 507, 536, 624, 676, 708, 767, 804, 832, 871, 944, 1014, 1072, 1248, 1352, 1416, 1534, 1608, 1664, 1742, 1888, 2028, 2144, 2301, 2496, 2613, 2704, 2832, 3068, 3216, 3484, 3776, 3953, 4056, 4288, 4602, 4992, 5226, 5408, 5664, 6136, 6432, 6968, 7552, 7906, 8112, 8576, 9204, 9971, 10452, 10816, 11323, 11328, 11859, 12272, 12864, 13936, 15812, 16224, 18408, 19942, 20904, 21632, 22646, 22656, 23718, 24544, 25728, 27872, 29913, 31624, 32448, 33969, 36816, 39884, 41808, 45292, 47436, 49088, 51389, 55744, 59826, 63248, 64896, 67938, 73632, 79768, 83616, 90584, 94872, 98176, 102778, 111488, 119652, 126496, 135876, 147264, 154167, 159536, 167232, 181168, 189744, 205556, 239304, 252992, 271752, 294528, 308334, 319072, 334464, 362336, 379488, 411112, 478608, 505984, 543504, 616668, 638144, 668057, 724672, 758976, 822224, 957216, 1087008, 1233336, 1276288, 1336114, 1449344, 1517952, 1644448, 1914432, 2004171, 2174016, 2466672, 2672228, 3288896, 3828864, 4008342, 4348032, 4933344, 5344456, 6577792, 8016684, 9866688, 10688912, 16033368, 19733376, 21377824, 32066736, 42755648, 64133472, 85511296, 128266944, 256533888]

約数ペア:

[(1, 256533888), (2, 128266944), (3, 85511296), (4, 64133472), (6, 42755648), (8, 32066736), (12, 21377824), (13, 19733376), (16, 16033368), (24, 10688912), (26, 9866688), (32, 8016684), (39, 6577792), (48, 5344456), (52, 4933344), (59, 4348032), (64, 4008342), (67, 3828864), (78, 3288896), (96, 2672228), (104, 2466672), (118, 2174016), (128, 2004171), (134, 1914432), (156, 1644448), (169, 1517952), (177, 1449344), (192, 1336114), (201, 1276288), (208, 1233336), (236, 1087008), (268, 957216), (312, 822224), (338, 758976), (354, 724672), (384, 668057), (402, 638144), (416, 616668), (472, 543504), (507, 505984), (536, 478608), (624, 411112), (676, 379488), (708, 362336), (767, 334464), (804, 319072), (832, 308334), (871, 294528), (944, 271752), (1014, 252992), (1072, 239304), (1248, 205556), (1352, 189744), (1416, 181168), (1534, 167232), (1608, 159536), (1664, 154167), (1742, 147264), (1888, 135876), (2028, 126496), (2144, 119652), (2301, 111488), (2496, 102778), (2613, 98176), (2704, 94872), (2832, 90584), (3068, 83616), (3216, 79768), (3484, 73632), (3776, 67938), (3953, 64896), (4056, 63248), (4288, 59826), (4602, 55744), (4992, 51389), (5226, 49088), (5408, 47436), (5664, 45292), (6136, 41808), (6432, 39884), (6968, 36816), (7552, 33969), (7906, 32448), (8112, 31624), (8576, 29913), (9204, 27872), (9971, 25728), (10452, 24544), (10816, 23718), (11323, 22656), (11328, 22646), (11859, 21632), (12272, 20904), (12864, 19942), (13936, 18408), (15812, 16224)]