2477649920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:729

約数の個数: 104

約数和(自身を含む): 5980085280

約数和(自身を除く): 3502435360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 389, 512, 622, 640, 778, 1024, 1244, 1280, 1555, 1556, 1945, 2048, 2488, 2560, 3110, 3112, 3890, 4096, 4976, 5120, 6220, 6224, 7780, 9952, 10240, 12440, 12448, 15560, 19904, 20480, 24880, 24896, 31120, 39808, 49760, 49792, 62240, 79616, 99520, 99584, 120979, 124480, 159232, 199040, 199168, 241958, 248960, 318464, 398080, 398336, 483916, 497920, 604895, 636928, 796160, 796672, 967832, 995840, 1209790, 1273856, 1592320, 1593344, 1935664, 1991680, 2419580, 3184640, 3871328, 3983360, 4839160, 6369280, 7742656, 7966720, 9678320, 15485312, 19356640, 30970624, 38713280, 61941248, 77426560, 123882496, 154853120, 247764992, 309706240, 495529984, 619412480, 1238824960, 2477649920]

約数ペア:

[(1, 2477649920), (2, 1238824960), (4, 619412480), (5, 495529984), (8, 309706240), (10, 247764992), (16, 154853120), (20, 123882496), (32, 77426560), (40, 61941248), (64, 38713280), (80, 30970624), (128, 19356640), (160, 15485312), (256, 9678320), (311, 7966720), (320, 7742656), (389, 6369280), (512, 4839160), (622, 3983360), (640, 3871328), (778, 3184640), (1024, 2419580), (1244, 1991680), (1280, 1935664), (1555, 1593344), (1556, 1592320), (1945, 1273856), (2048, 1209790), (2488, 995840), (2560, 967832), (3110, 796672), (3112, 796160), (3890, 636928), (4096, 604895), (4976, 497920), (5120, 483916), (6220, 398336), (6224, 398080), (7780, 318464), (9952, 248960), (10240, 241958), (12440, 199168), (12448, 199040), (15560, 159232), (19904, 124480), (20480, 120979), (24880, 99584), (24896, 99520), (31120, 79616), (39808, 62240), (49760, 49792)]