646980672

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 168

約数和(自身を含む): 1880103936

約数和(自身を除く): 1233123264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 127, 156, 157, 169, 192, 208, 254, 312, 314, 338, 381, 416, 471, 507, 508, 624, 628, 676, 762, 832, 942, 1014, 1016, 1248, 1256, 1352, 1524, 1651, 1884, 2028, 2032, 2041, 2496, 2512, 2704, 3048, 3302, 3768, 4056, 4064, 4082, 4953, 5024, 5408, 6096, 6123, 6604, 7536, 8112, 8128, 8164, 9906, 10048, 10816, 12192, 12246, 13208, 15072, 16224, 16328, 19812, 19939, 21463, 24384, 24492, 26416, 26533, 30144, 32448, 32656, 39624, 39878, 42926, 48984, 52832, 53066, 59817, 64389, 65312, 79248, 79599, 79756, 85852, 97968, 105664, 106132, 119634, 128778, 130624, 158496, 159198, 159512, 171704, 195936, 212264, 239268, 257556, 259207, 316992, 318396, 319024, 343408, 391872, 424528, 478536, 515112, 518414, 636792, 638048, 686816, 777621, 849056, 957072, 1030224, 1036828, 1273584, 1276096, 1373632, 1555242, 1698112, 1914144, 2060448, 2073656, 2547168, 3110484, 3369691, 3828288, 4120896, 4147312, 5094336, 6220968, 6739382, 8294624, 10109073, 12441936, 13478764, 16589248, 20218146, 24883872, 26957528, 40436292, 49767744, 53915056, 80872584, 107830112, 161745168, 215660224, 323490336, 646980672]

約数ペア:

[(1, 646980672), (2, 323490336), (3, 215660224), (4, 161745168), (6, 107830112), (8, 80872584), (12, 53915056), (13, 49767744), (16, 40436292), (24, 26957528), (26, 24883872), (32, 20218146), (39, 16589248), (48, 13478764), (52, 12441936), (64, 10109073), (78, 8294624), (96, 6739382), (104, 6220968), (127, 5094336), (156, 4147312), (157, 4120896), (169, 3828288), (192, 3369691), (208, 3110484), (254, 2547168), (312, 2073656), (314, 2060448), (338, 1914144), (381, 1698112), (416, 1555242), (471, 1373632), (507, 1276096), (508, 1273584), (624, 1036828), (628, 1030224), (676, 957072), (762, 849056), (832, 777621), (942, 686816), (1014, 638048), (1016, 636792), (1248, 518414), (1256, 515112), (1352, 478536), (1524, 424528), (1651, 391872), (1884, 343408), (2028, 319024), (2032, 318396), (2041, 316992), (2496, 259207), (2512, 257556), (2704, 239268), (3048, 212264), (3302, 195936), (3768, 171704), (4056, 159512), (4064, 159198), (4082, 158496), (4953, 130624), (5024, 128778), (5408, 119634), (6096, 106132), (6123, 105664), (6604, 97968), (7536, 85852), (8112, 79756), (8128, 79599), (8164, 79248), (9906, 65312), (10048, 64389), (10816, 59817), (12192, 53066), (12246, 52832), (13208, 48984), (15072, 42926), (16224, 39878), (16328, 39624), (19812, 32656), (19939, 32448), (21463, 30144), (24384, 26533), (24492, 26416)]