218767360

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 168

約数和(自身を含む): 616328460

約数和(自身を除く): 397561100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 109, 112, 128, 140, 160, 196, 218, 224, 245, 256, 280, 320, 392, 436, 448, 490, 512, 545, 560, 640, 763, 784, 872, 896, 980, 1024, 1090, 1120, 1280, 1526, 1568, 1744, 1792, 1960, 2048, 2180, 2240, 2560, 3052, 3136, 3488, 3584, 3815, 3920, 4096, 4360, 4480, 5120, 5341, 6104, 6272, 6976, 7168, 7630, 7840, 8192, 8720, 8960, 10240, 10682, 12208, 12544, 13952, 14336, 15260, 15680, 17440, 17920, 20480, 21364, 24416, 25088, 26705, 27904, 28672, 30520, 31360, 34880, 35840, 40960, 42728, 48832, 50176, 53410, 55808, 57344, 61040, 62720, 69760, 71680, 85456, 97664, 100352, 106820, 111616, 122080, 125440, 139520, 143360, 170912, 195328, 200704, 213640, 223232, 244160, 250880, 279040, 286720, 341824, 390656, 401408, 427280, 446464, 488320, 501760, 558080, 683648, 781312, 854560, 892928, 976640, 1003520, 1116160, 1367296, 1562624, 1709120, 1953280, 2007040, 2232320, 2734592, 3125248, 3418240, 3906560, 4464640, 5469184, 6250496, 6836480, 7813120, 10938368, 13672960, 15626240, 21876736, 27345920, 31252480, 43753472, 54691840, 109383680, 218767360]

約数ペア:

[(1, 218767360), (2, 109383680), (4, 54691840), (5, 43753472), (7, 31252480), (8, 27345920), (10, 21876736), (14, 15626240), (16, 13672960), (20, 10938368), (28, 7813120), (32, 6836480), (35, 6250496), (40, 5469184), (49, 4464640), (56, 3906560), (64, 3418240), (70, 3125248), (80, 2734592), (98, 2232320), (109, 2007040), (112, 1953280), (128, 1709120), (140, 1562624), (160, 1367296), (196, 1116160), (218, 1003520), (224, 976640), (245, 892928), (256, 854560), (280, 781312), (320, 683648), (392, 558080), (436, 501760), (448, 488320), (490, 446464), (512, 427280), (545, 401408), (560, 390656), (640, 341824), (763, 286720), (784, 279040), (872, 250880), (896, 244160), (980, 223232), (1024, 213640), (1090, 200704), (1120, 195328), (1280, 170912), (1526, 143360), (1568, 139520), (1744, 125440), (1792, 122080), (1960, 111616), (2048, 106820), (2180, 100352), (2240, 97664), (2560, 85456), (3052, 71680), (3136, 69760), (3488, 62720), (3584, 61040), (3815, 57344), (3920, 55808), (4096, 53410), (4360, 50176), (4480, 48832), (5120, 42728), (5341, 40960), (6104, 35840), (6272, 34880), (6976, 31360), (7168, 30520), (7630, 28672), (7840, 27904), (8192, 26705), (8720, 25088), (8960, 24416), (10240, 21364), (10682, 20480), (12208, 17920), (12544, 17440), (13952, 15680), (14336, 15260)]