256569984

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 256

約数和(自身を含む): 876873600

約数和(自身を除く): 620303616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 44, 48, 51, 54, 64, 66, 68, 72, 88, 96, 99, 102, 108, 128, 132, 136, 144, 153, 176, 187, 192, 198, 204, 216, 264, 272, 288, 297, 306, 352, 374, 384, 396, 397, 408, 432, 459, 528, 544, 561, 576, 594, 612, 704, 748, 792, 794, 816, 864, 918, 1056, 1088, 1122, 1152, 1188, 1191, 1224, 1408, 1496, 1584, 1588, 1632, 1683, 1728, 1836, 2112, 2176, 2244, 2376, 2382, 2448, 2992, 3168, 3176, 3264, 3366, 3456, 3573, 3672, 4224, 4367, 4488, 4752, 4764, 4896, 5049, 5984, 6336, 6352, 6528, 6732, 6749, 7146, 7344, 8734, 8976, 9504, 9528, 9792, 10098, 10719, 11968, 12672, 12704, 13101, 13464, 13498, 14292, 14688, 17468, 17952, 19008, 19056, 19584, 20196, 20247, 21438, 23936, 25408, 26202, 26928, 26996, 28584, 29376, 34936, 35904, 38016, 38112, 39303, 40392, 40494, 42876, 50816, 52404, 53856, 53992, 57168, 58752, 60741, 69872, 71808, 74239, 76224, 78606, 80784, 80988, 85752, 104808, 107712, 107984, 114336, 117909, 121482, 139744, 148478, 152448, 157212, 161568, 161976, 171504, 182223, 209616, 215424, 215968, 222717, 228672, 235818, 242964, 279488, 296956, 314424, 323136, 323952, 343008, 364446, 419232, 431936, 445434, 457344, 471636, 485928, 558976, 593912, 628848, 646272, 647904, 668151, 686016, 728892, 838464, 863872, 890868, 943272, 971856, 1187824, 1257696, 1295808, 1336302, 1372032, 1457784, 1676928, 1781736, 1886544, 1943712, 2004453, 2375648, 2515392, 2591616, 2672604, 2915568, 3563472, 3773088, 3887424, 4008906, 4751296, 5030784, 5345208, 5831136, 7126944, 7546176, 7774848, 8017812, 9502592, 10690416, 11662272, 14253888, 15092352, 16035624, 21380832, 23324544, 28507776, 32071248, 42761664, 64142496, 85523328, 128284992, 256569984]

約数ペア:

[(1, 256569984), (2, 128284992), (3, 85523328), (4, 64142496), (6, 42761664), (8, 32071248), (9, 28507776), (11, 23324544), (12, 21380832), (16, 16035624), (17, 15092352), (18, 14253888), (22, 11662272), (24, 10690416), (27, 9502592), (32, 8017812), (33, 7774848), (34, 7546176), (36, 7126944), (44, 5831136), (48, 5345208), (51, 5030784), (54, 4751296), (64, 4008906), (66, 3887424), (68, 3773088), (72, 3563472), (88, 2915568), (96, 2672604), (99, 2591616), (102, 2515392), (108, 2375648), (128, 2004453), (132, 1943712), (136, 1886544), (144, 1781736), (153, 1676928), (176, 1457784), (187, 1372032), (192, 1336302), (198, 1295808), (204, 1257696), (216, 1187824), (264, 971856), (272, 943272), (288, 890868), (297, 863872), (306, 838464), (352, 728892), (374, 686016), (384, 668151), (396, 647904), (397, 646272), (408, 628848), (432, 593912), (459, 558976), (528, 485928), (544, 471636), (561, 457344), (576, 445434), (594, 431936), (612, 419232), (704, 364446), (748, 343008), (792, 323952), (794, 323136), (816, 314424), (864, 296956), (918, 279488), (1056, 242964), (1088, 235818), (1122, 228672), (1152, 222717), (1188, 215968), (1191, 215424), (1224, 209616), (1408, 182223), (1496, 171504), (1584, 161976), (1588, 161568), (1632, 157212), (1683, 152448), (1728, 148478), (1836, 139744), (2112, 121482), (2176, 117909), (2244, 114336), (2376, 107984), (2382, 107712), (2448, 104808), (2992, 85752), (3168, 80988), (3176, 80784), (3264, 78606), (3366, 76224), (3456, 74239), (3573, 71808), (3672, 69872), (4224, 60741), (4367, 58752), (4488, 57168), (4752, 53992), (4764, 53856), (4896, 52404), (5049, 50816), (5984, 42876), (6336, 40494), (6352, 40392), (6528, 39303), (6732, 38112), (6749, 38016), (7146, 35904), (7344, 34936), (8734, 29376), (8976, 28584), (9504, 26996), (9528, 26928), (9792, 26202), (10098, 25408), (10719, 23936), (11968, 21438), (12672, 20247), (12704, 20196), (13101, 19584), (13464, 19056), (13498, 19008), (14292, 17952), (14688, 17468)]