644287776

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 192

約数和(自身を含む): 1975228416

約数和(自身を除く): 1330940640

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 41, 44, 46, 48, 66, 69, 82, 88, 92, 96, 123, 132, 138, 164, 176, 184, 246, 253, 264, 276, 328, 352, 368, 451, 492, 506, 528, 552, 647, 656, 736, 759, 902, 943, 984, 1012, 1056, 1104, 1294, 1312, 1353, 1518, 1804, 1886, 1941, 1968, 2024, 2208, 2588, 2706, 2829, 3036, 3608, 3772, 3882, 3936, 4048, 5176, 5412, 5658, 6072, 7117, 7216, 7544, 7764, 8096, 10352, 10373, 10824, 11316, 12144, 14234, 14432, 14881, 15088, 15528, 20704, 20746, 21351, 21648, 22632, 24288, 26527, 28468, 29762, 30176, 31056, 31119, 41492, 42702, 43296, 44643, 45264, 53054, 56936, 59524, 62112, 62238, 79581, 82984, 85404, 89286, 90528, 106108, 113872, 119048, 124476, 159162, 163691, 165968, 170808, 178572, 212216, 227744, 238096, 248952, 291797, 318324, 327382, 331936, 341616, 357144, 424432, 476192, 491073, 497904, 583594, 610121, 636648, 654764, 683232, 714288, 848864, 875391, 982146, 995808, 1167188, 1220242, 1273296, 1309528, 1428576, 1750782, 1830363, 1964292, 2334376, 2440484, 2546592, 2619056, 3501564, 3660726, 3928584, 4668752, 4880968, 5238112, 6711331, 7003128, 7321452, 7857168, 9337504, 9761936, 13422662, 14006256, 14642904, 15714336, 19523872, 20133993, 26845324, 28012512, 29285808, 40267986, 53690648, 58571616, 80535972, 107381296, 161071944, 214762592, 322143888, 644287776]

約数ペア:

[(1, 644287776), (2, 322143888), (3, 214762592), (4, 161071944), (6, 107381296), (8, 80535972), (11, 58571616), (12, 53690648), (16, 40267986), (22, 29285808), (23, 28012512), (24, 26845324), (32, 20133993), (33, 19523872), (41, 15714336), (44, 14642904), (46, 14006256), (48, 13422662), (66, 9761936), (69, 9337504), (82, 7857168), (88, 7321452), (92, 7003128), (96, 6711331), (123, 5238112), (132, 4880968), (138, 4668752), (164, 3928584), (176, 3660726), (184, 3501564), (246, 2619056), (253, 2546592), (264, 2440484), (276, 2334376), (328, 1964292), (352, 1830363), (368, 1750782), (451, 1428576), (492, 1309528), (506, 1273296), (528, 1220242), (552, 1167188), (647, 995808), (656, 982146), (736, 875391), (759, 848864), (902, 714288), (943, 683232), (984, 654764), (1012, 636648), (1056, 610121), (1104, 583594), (1294, 497904), (1312, 491073), (1353, 476192), (1518, 424432), (1804, 357144), (1886, 341616), (1941, 331936), (1968, 327382), (2024, 318324), (2208, 291797), (2588, 248952), (2706, 238096), (2829, 227744), (3036, 212216), (3608, 178572), (3772, 170808), (3882, 165968), (3936, 163691), (4048, 159162), (5176, 124476), (5412, 119048), (5658, 113872), (6072, 106108), (7117, 90528), (7216, 89286), (7544, 85404), (7764, 82984), (8096, 79581), (10352, 62238), (10373, 62112), (10824, 59524), (11316, 56936), (12144, 53054), (14234, 45264), (14432, 44643), (14881, 43296), (15088, 42702), (15528, 41492), (20704, 31119), (20746, 31056), (21351, 30176), (21648, 29762), (22632, 28468), (24288, 26527)]