641009664

素因数分解:

$2^{11}\times 3^2\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 1878130800

約数和(自身を除く): 1237121136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 83, 96, 128, 144, 166, 192, 249, 256, 288, 332, 384, 419, 498, 512, 576, 664, 747, 768, 838, 996, 1024, 1152, 1257, 1328, 1494, 1536, 1676, 1992, 2048, 2304, 2514, 2656, 2988, 3072, 3352, 3771, 3984, 4608, 5028, 5312, 5976, 6144, 6704, 7542, 7968, 9216, 10056, 10624, 11952, 13408, 15084, 15936, 18432, 20112, 21248, 23904, 26816, 30168, 31872, 34777, 40224, 42496, 47808, 53632, 60336, 63744, 69554, 80448, 84992, 95616, 104331, 107264, 120672, 127488, 139108, 160896, 169984, 191232, 208662, 214528, 241344, 254976, 278216, 312993, 321792, 382464, 417324, 429056, 482688, 509952, 556432, 625986, 643584, 764928, 834648, 858112, 965376, 1112864, 1251972, 1287168, 1529856, 1669296, 1930752, 2225728, 2503944, 2574336, 3338592, 3861504, 4451456, 5007888, 6677184, 7723008, 8902912, 10015776, 13354368, 17805824, 20031552, 26708736, 35611648, 40063104, 53417472, 71223296, 80126208, 106834944, 160252416, 213669888, 320504832, 641009664]

約数ペア:

[(1, 641009664), (2, 320504832), (3, 213669888), (4, 160252416), (6, 106834944), (8, 80126208), (9, 71223296), (12, 53417472), (16, 40063104), (18, 35611648), (24, 26708736), (32, 20031552), (36, 17805824), (48, 13354368), (64, 10015776), (72, 8902912), (83, 7723008), (96, 6677184), (128, 5007888), (144, 4451456), (166, 3861504), (192, 3338592), (249, 2574336), (256, 2503944), (288, 2225728), (332, 1930752), (384, 1669296), (419, 1529856), (498, 1287168), (512, 1251972), (576, 1112864), (664, 965376), (747, 858112), (768, 834648), (838, 764928), (996, 643584), (1024, 625986), (1152, 556432), (1257, 509952), (1328, 482688), (1494, 429056), (1536, 417324), (1676, 382464), (1992, 321792), (2048, 312993), (2304, 278216), (2514, 254976), (2656, 241344), (2988, 214528), (3072, 208662), (3352, 191232), (3771, 169984), (3984, 160896), (4608, 139108), (5028, 127488), (5312, 120672), (5976, 107264), (6144, 104331), (6704, 95616), (7542, 84992), (7968, 80448), (9216, 69554), (10056, 63744), (10624, 60336), (11952, 53632), (13408, 47808), (15084, 42496), (15936, 40224), (18432, 34777), (20112, 31872), (21248, 30168), (23904, 26816)]