256780800

素因数分解:

$2^9\times 3^3\times 5^2\times {\mathrm{743}}^1$

素因数の和:780

約数の個数: 240

約数和(自身を含む): 943778880

約数和(自身を除く): 686998080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 512, 540, 576, 600, 640, 675, 720, 743, 768, 800, 864, 900, 960, 1080, 1152, 1200, 1280, 1350, 1440, 1486, 1536, 1600, 1728, 1800, 1920, 2160, 2229, 2304, 2400, 2560, 2700, 2880, 2972, 3200, 3456, 3600, 3715, 3840, 4320, 4458, 4608, 4800, 5400, 5760, 5944, 6400, 6687, 6912, 7200, 7430, 7680, 8640, 8916, 9600, 10800, 11145, 11520, 11888, 12800, 13374, 13824, 14400, 14860, 17280, 17832, 18575, 19200, 20061, 21600, 22290, 23040, 23776, 26748, 28800, 29720, 33435, 34560, 35664, 37150, 38400, 40122, 43200, 44580, 47552, 53496, 55725, 57600, 59440, 66870, 69120, 71328, 74300, 80244, 86400, 89160, 95104, 100305, 106992, 111450, 115200, 118880, 133740, 142656, 148600, 160488, 167175, 172800, 178320, 190208, 200610, 213984, 222900, 237760, 267480, 285312, 297200, 320976, 334350, 345600, 356640, 380416, 401220, 427968, 445800, 475520, 501525, 534960, 570624, 594400, 641952, 668700, 713280, 802440, 855936, 891600, 951040, 1003050, 1069920, 1141248, 1188800, 1283904, 1337400, 1426560, 1604880, 1711872, 1783200, 1902080, 2006100, 2139840, 2377600, 2567808, 2674800, 2853120, 3209760, 3423744, 3566400, 4012200, 4279680, 4755200, 5135616, 5349600, 5706240, 6419520, 7132800, 8024400, 8559360, 9510400, 10271232, 10699200, 12839040, 14265600, 16048800, 17118720, 21398400, 25678080, 28531200, 32097600, 42796800, 51356160, 64195200, 85593600, 128390400, 256780800]

約数ペア:

[(1, 256780800), (2, 128390400), (3, 85593600), (4, 64195200), (5, 51356160), (6, 42796800), (8, 32097600), (9, 28531200), (10, 25678080), (12, 21398400), (15, 17118720), (16, 16048800), (18, 14265600), (20, 12839040), (24, 10699200), (25, 10271232), (27, 9510400), (30, 8559360), (32, 8024400), (36, 7132800), (40, 6419520), (45, 5706240), (48, 5349600), (50, 5135616), (54, 4755200), (60, 4279680), (64, 4012200), (72, 3566400), (75, 3423744), (80, 3209760), (90, 2853120), (96, 2674800), (100, 2567808), (108, 2377600), (120, 2139840), (128, 2006100), (135, 1902080), (144, 1783200), (150, 1711872), (160, 1604880), (180, 1426560), (192, 1337400), (200, 1283904), (216, 1188800), (225, 1141248), (240, 1069920), (256, 1003050), (270, 951040), (288, 891600), (300, 855936), (320, 802440), (360, 713280), (384, 668700), (400, 641952), (432, 594400), (450, 570624), (480, 534960), (512, 501525), (540, 475520), (576, 445800), (600, 427968), (640, 401220), (675, 380416), (720, 356640), (743, 345600), (768, 334350), (800, 320976), (864, 297200), (900, 285312), (960, 267480), (1080, 237760), (1152, 222900), (1200, 213984), (1280, 200610), (1350, 190208), (1440, 178320), (1486, 172800), (1536, 167175), (1600, 160488), (1728, 148600), (1800, 142656), (1920, 133740), (2160, 118880), (2229, 115200), (2304, 111450), (2400, 106992), (2560, 100305), (2700, 95104), (2880, 89160), (2972, 86400), (3200, 80244), (3456, 74300), (3600, 71328), (3715, 69120), (3840, 66870), (4320, 59440), (4458, 57600), (4608, 55725), (4800, 53496), (5400, 47552), (5760, 44580), (5944, 43200), (6400, 40122), (6687, 38400), (6912, 37150), (7200, 35664), (7430, 34560), (7680, 33435), (8640, 29720), (8916, 28800), (9600, 26748), (10800, 23776), (11145, 23040), (11520, 22290), (11888, 21600), (12800, 20061), (13374, 19200), (13824, 18575), (14400, 17832), (14860, 17280)]