256204800

素因数分解:

$2^{13}\times 3^2\times 5^2\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 252

約数和(自身を含む): 924328860

約数和(自身を除く): 668124060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 139, 144, 150, 160, 180, 192, 200, 225, 240, 256, 278, 288, 300, 320, 360, 384, 400, 417, 450, 480, 512, 556, 576, 600, 640, 695, 720, 768, 800, 834, 900, 960, 1024, 1112, 1152, 1200, 1251, 1280, 1390, 1440, 1536, 1600, 1668, 1800, 1920, 2048, 2085, 2224, 2304, 2400, 2502, 2560, 2780, 2880, 3072, 3200, 3336, 3475, 3600, 3840, 4096, 4170, 4448, 4608, 4800, 5004, 5120, 5560, 5760, 6144, 6255, 6400, 6672, 6950, 7200, 7680, 8192, 8340, 8896, 9216, 9600, 10008, 10240, 10425, 11120, 11520, 12288, 12510, 12800, 13344, 13900, 14400, 15360, 16680, 17792, 18432, 19200, 20016, 20480, 20850, 22240, 23040, 24576, 25020, 25600, 26688, 27800, 28800, 30720, 31275, 33360, 35584, 36864, 38400, 40032, 40960, 41700, 44480, 46080, 50040, 51200, 53376, 55600, 57600, 61440, 62550, 66720, 71168, 73728, 76800, 80064, 83400, 88960, 92160, 100080, 102400, 106752, 111200, 115200, 122880, 125100, 133440, 142336, 153600, 160128, 166800, 177920, 184320, 200160, 204800, 213504, 222400, 230400, 250200, 266880, 284672, 307200, 320256, 333600, 355840, 368640, 400320, 427008, 444800, 460800, 500400, 533760, 569344, 614400, 640512, 667200, 711680, 800640, 854016, 889600, 921600, 1000800, 1067520, 1138688, 1281024, 1334400, 1423360, 1601280, 1708032, 1779200, 1843200, 2001600, 2135040, 2562048, 2668800, 2846720, 3202560, 3416064, 3558400, 4003200, 4270080, 5124096, 5337600, 5693440, 6405120, 7116800, 8006400, 8540160, 10248192, 10675200, 12810240, 14233600, 16012800, 17080320, 21350400, 25620480, 28467200, 32025600, 42700800, 51240960, 64051200, 85401600, 128102400, 256204800]

約数ペア:

[(1, 256204800), (2, 128102400), (3, 85401600), (4, 64051200), (5, 51240960), (6, 42700800), (8, 32025600), (9, 28467200), (10, 25620480), (12, 21350400), (15, 17080320), (16, 16012800), (18, 14233600), (20, 12810240), (24, 10675200), (25, 10248192), (30, 8540160), (32, 8006400), (36, 7116800), (40, 6405120), (45, 5693440), (48, 5337600), (50, 5124096), (60, 4270080), (64, 4003200), (72, 3558400), (75, 3416064), (80, 3202560), (90, 2846720), (96, 2668800), (100, 2562048), (120, 2135040), (128, 2001600), (139, 1843200), (144, 1779200), (150, 1708032), (160, 1601280), (180, 1423360), (192, 1334400), (200, 1281024), (225, 1138688), (240, 1067520), (256, 1000800), (278, 921600), (288, 889600), (300, 854016), (320, 800640), (360, 711680), (384, 667200), (400, 640512), (417, 614400), (450, 569344), (480, 533760), (512, 500400), (556, 460800), (576, 444800), (600, 427008), (640, 400320), (695, 368640), (720, 355840), (768, 333600), (800, 320256), (834, 307200), (900, 284672), (960, 266880), (1024, 250200), (1112, 230400), (1152, 222400), (1200, 213504), (1251, 204800), (1280, 200160), (1390, 184320), (1440, 177920), (1536, 166800), (1600, 160128), (1668, 153600), (1800, 142336), (1920, 133440), (2048, 125100), (2085, 122880), (2224, 115200), (2304, 111200), (2400, 106752), (2502, 102400), (2560, 100080), (2780, 92160), (2880, 88960), (3072, 83400), (3200, 80064), (3336, 76800), (3475, 73728), (3600, 71168), (3840, 66720), (4096, 62550), (4170, 61440), (4448, 57600), (4608, 55600), (4800, 53376), (5004, 51200), (5120, 50040), (5560, 46080), (5760, 44480), (6144, 41700), (6255, 40960), (6400, 40032), (6672, 38400), (6950, 36864), (7200, 35584), (7680, 33360), (8192, 31275), (8340, 30720), (8896, 28800), (9216, 27800), (9600, 26688), (10008, 25600), (10240, 25020), (10425, 24576), (11120, 23040), (11520, 22240), (12288, 20850), (12510, 20480), (12800, 20016), (13344, 19200), (13900, 18432), (14400, 17792), (15360, 16680)]