247807728

素因数分解:

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

素因数の和:289

約数の個数: 240

約数和(自身を含む): 861730560

約数和(自身を除く): 613922832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 227, 228, 252, 266, 304, 336, 342, 361, 378, 399, 432, 454, 456, 504, 513, 532, 681, 684, 722, 756, 798, 908, 912, 1008, 1026, 1064, 1083, 1197, 1362, 1368, 1444, 1512, 1589, 1596, 1816, 2043, 2052, 2128, 2166, 2394, 2527, 2724, 2736, 2888, 3024, 3178, 3192, 3249, 3591, 3632, 4086, 4104, 4313, 4332, 4767, 4788, 5054, 5448, 5776, 6129, 6356, 6384, 6498, 7182, 7581, 8172, 8208, 8626, 8664, 9534, 9576, 9747, 10108, 10896, 12258, 12712, 12939, 12996, 14301, 14364, 15162, 16344, 17252, 17328, 19068, 19152, 19494, 20216, 22743, 24516, 25424, 25878, 25992, 28602, 28728, 30191, 30324, 32688, 34504, 38136, 38817, 38988, 40432, 42903, 45486, 49032, 51756, 51984, 57204, 57456, 60382, 60648, 68229, 69008, 76272, 77634, 77976, 81947, 85806, 90573, 90972, 98064, 103512, 114408, 116451, 120764, 121296, 136458, 155268, 155952, 163894, 171612, 181146, 181944, 207024, 228816, 232902, 241528, 245841, 271719, 272916, 310536, 327788, 343224, 362292, 363888, 465804, 483056, 491682, 543438, 545832, 573629, 621072, 655576, 686448, 724584, 737523, 815157, 931608, 983364, 1086876, 1091664, 1147258, 1311152, 1449168, 1475046, 1630314, 1720887, 1863216, 1966728, 2173752, 2212569, 2294516, 2950092, 3260628, 3441774, 3933456, 4347504, 4425138, 4589032, 5162661, 5900184, 6521256, 6883548, 8850276, 9178064, 10325322, 11800368, 13042512, 13767096, 15487983, 17700552, 20650644, 27534192, 30975966, 35401104, 41301288, 61951932, 82602576, 123903864, 247807728]

約数ペア:

[(1, 247807728), (2, 123903864), (3, 82602576), (4, 61951932), (6, 41301288), (7, 35401104), (8, 30975966), (9, 27534192), (12, 20650644), (14, 17700552), (16, 15487983), (18, 13767096), (19, 13042512), (21, 11800368), (24, 10325322), (27, 9178064), (28, 8850276), (36, 6883548), (38, 6521256), (42, 5900184), (48, 5162661), (54, 4589032), (56, 4425138), (57, 4347504), (63, 3933456), (72, 3441774), (76, 3260628), (84, 2950092), (108, 2294516), (112, 2212569), (114, 2173752), (126, 1966728), (133, 1863216), (144, 1720887), (152, 1630314), (168, 1475046), (171, 1449168), (189, 1311152), (216, 1147258), (227, 1091664), (228, 1086876), (252, 983364), (266, 931608), (304, 815157), (336, 737523), (342, 724584), (361, 686448), (378, 655576), (399, 621072), (432, 573629), (454, 545832), (456, 543438), (504, 491682), (513, 483056), (532, 465804), (681, 363888), (684, 362292), (722, 343224), (756, 327788), (798, 310536), (908, 272916), (912, 271719), (1008, 245841), (1026, 241528), (1064, 232902), (1083, 228816), (1197, 207024), (1362, 181944), (1368, 181146), (1444, 171612), (1512, 163894), (1589, 155952), (1596, 155268), (1816, 136458), (2043, 121296), (2052, 120764), (2128, 116451), (2166, 114408), (2394, 103512), (2527, 98064), (2724, 90972), (2736, 90573), (2888, 85806), (3024, 81947), (3178, 77976), (3192, 77634), (3249, 76272), (3591, 69008), (3632, 68229), (4086, 60648), (4104, 60382), (4313, 57456), (4332, 57204), (4767, 51984), (4788, 51756), (5054, 49032), (5448, 45486), (5776, 42903), (6129, 40432), (6356, 38988), (6384, 38817), (6498, 38136), (7182, 34504), (7581, 32688), (8172, 30324), (8208, 30191), (8626, 28728), (8664, 28602), (9534, 25992), (9576, 25878), (9747, 25424), (10108, 24516), (10896, 22743), (12258, 20216), (12712, 19494), (12939, 19152), (12996, 19068), (14301, 17328), (14364, 17252), (15162, 16344)]