328840960

素因数分解:

$2^8\times 5^1\times 7^4\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 927489528

約数和(自身を除く): 598648568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 107, 112, 128, 140, 160, 196, 214, 224, 245, 256, 280, 320, 343, 392, 428, 448, 490, 535, 560, 640, 686, 749, 784, 856, 896, 980, 1070, 1120, 1280, 1372, 1498, 1568, 1712, 1715, 1792, 1960, 2140, 2240, 2401, 2744, 2996, 3136, 3424, 3430, 3745, 3920, 4280, 4480, 4802, 5243, 5488, 5992, 6272, 6848, 6860, 7490, 7840, 8560, 8960, 9604, 10486, 10976, 11984, 12005, 12544, 13696, 13720, 14980, 15680, 17120, 19208, 20972, 21952, 23968, 24010, 26215, 27392, 27440, 29960, 31360, 34240, 36701, 38416, 41944, 43904, 47936, 48020, 52430, 54880, 59920, 62720, 68480, 73402, 76832, 83888, 87808, 95872, 96040, 104860, 109760, 119840, 136960, 146804, 153664, 167776, 183505, 191744, 192080, 209720, 219520, 239680, 256907, 293608, 307328, 335552, 367010, 384160, 419440, 439040, 479360, 513814, 587216, 614656, 671104, 734020, 768320, 838880, 958720, 1027628, 1174432, 1284535, 1342208, 1468040, 1536640, 1677760, 2055256, 2348864, 2569070, 2936080, 3073280, 3355520, 4110512, 4697728, 5138140, 5872160, 6711040, 8221024, 9395456, 10276280, 11744320, 16442048, 20552560, 23488640, 32884096, 41105120, 46977280, 65768192, 82210240, 164420480, 328840960]

約数ペア:

[(1, 328840960), (2, 164420480), (4, 82210240), (5, 65768192), (7, 46977280), (8, 41105120), (10, 32884096), (14, 23488640), (16, 20552560), (20, 16442048), (28, 11744320), (32, 10276280), (35, 9395456), (40, 8221024), (49, 6711040), (56, 5872160), (64, 5138140), (70, 4697728), (80, 4110512), (98, 3355520), (107, 3073280), (112, 2936080), (128, 2569070), (140, 2348864), (160, 2055256), (196, 1677760), (214, 1536640), (224, 1468040), (245, 1342208), (256, 1284535), (280, 1174432), (320, 1027628), (343, 958720), (392, 838880), (428, 768320), (448, 734020), (490, 671104), (535, 614656), (560, 587216), (640, 513814), (686, 479360), (749, 439040), (784, 419440), (856, 384160), (896, 367010), (980, 335552), (1070, 307328), (1120, 293608), (1280, 256907), (1372, 239680), (1498, 219520), (1568, 209720), (1712, 192080), (1715, 191744), (1792, 183505), (1960, 167776), (2140, 153664), (2240, 146804), (2401, 136960), (2744, 119840), (2996, 109760), (3136, 104860), (3424, 96040), (3430, 95872), (3745, 87808), (3920, 83888), (4280, 76832), (4480, 73402), (4802, 68480), (5243, 62720), (5488, 59920), (5992, 54880), (6272, 52430), (6848, 48020), (6860, 47936), (7490, 43904), (7840, 41944), (8560, 38416), (8960, 36701), (9604, 34240), (10486, 31360), (10976, 29960), (11984, 27440), (12005, 27392), (12544, 26215), (13696, 24010), (13720, 23968), (14980, 21952), (15680, 20972), (17120, 19208)]