121718912

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 300516480

約数和(自身を除く): 178797568

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 64, 68, 112, 119, 122, 128, 131, 136, 224, 238, 244, 262, 272, 427, 448, 476, 488, 524, 544, 854, 896, 917, 952, 976, 1037, 1048, 1088, 1708, 1834, 1904, 1952, 2074, 2096, 2176, 2227, 3416, 3668, 3808, 3904, 4148, 4192, 4454, 6832, 7259, 7336, 7616, 7808, 7991, 8296, 8384, 8908, 13664, 14518, 14672, 15232, 15589, 15982, 16592, 16768, 17816, 27328, 29036, 29344, 31178, 31964, 33184, 35632, 54656, 55937, 58072, 58688, 62356, 63928, 66368, 71264, 111874, 116144, 117376, 124712, 127856, 132736, 135847, 142528, 223748, 232288, 249424, 255712, 271694, 285056, 447496, 464576, 498848, 511424, 543388, 894992, 929152, 950929, 997696, 1022848, 1086776, 1789984, 1901858, 1995392, 2173552, 3579968, 3803716, 4347104, 7159936, 7607432, 8694208, 15214864, 17388416, 30429728, 60859456, 121718912]

約数ペア:

[(1, 121718912), (2, 60859456), (4, 30429728), (7, 17388416), (8, 15214864), (14, 8694208), (16, 7607432), (17, 7159936), (28, 4347104), (32, 3803716), (34, 3579968), (56, 2173552), (61, 1995392), (64, 1901858), (68, 1789984), (112, 1086776), (119, 1022848), (122, 997696), (128, 950929), (131, 929152), (136, 894992), (224, 543388), (238, 511424), (244, 498848), (262, 464576), (272, 447496), (427, 285056), (448, 271694), (476, 255712), (488, 249424), (524, 232288), (544, 223748), (854, 142528), (896, 135847), (917, 132736), (952, 127856), (976, 124712), (1037, 117376), (1048, 116144), (1088, 111874), (1708, 71264), (1834, 66368), (1904, 63928), (1952, 62356), (2074, 58688), (2096, 58072), (2176, 55937), (2227, 54656), (3416, 35632), (3668, 33184), (3808, 31964), (3904, 31178), (4148, 29344), (4192, 29036), (4454, 27328), (6832, 17816), (7259, 16768), (7336, 16592), (7616, 15982), (7808, 15589), (7991, 15232), (8296, 14672), (8384, 14518), (8908, 13664)]