1812254720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:963

約数の個数: 104

約数和(自身を含む): 4394831904

約数和(自身を除く): 2582577184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 512, 535, 640, 827, 856, 1024, 1070, 1280, 1654, 1712, 2048, 2140, 2560, 3308, 3424, 4096, 4135, 4280, 5120, 6616, 6848, 8270, 8560, 10240, 13232, 13696, 16540, 17120, 20480, 26464, 27392, 33080, 34240, 52928, 54784, 66160, 68480, 88489, 105856, 109568, 132320, 136960, 176978, 211712, 219136, 264640, 273920, 353956, 423424, 438272, 442445, 529280, 547840, 707912, 846848, 884890, 1058560, 1095680, 1415824, 1693696, 1769780, 2117120, 2191360, 2831648, 3387392, 3539560, 4234240, 5663296, 7079120, 8468480, 11326592, 14158240, 16936960, 22653184, 28316480, 45306368, 56632960, 90612736, 113265920, 181225472, 226531840, 362450944, 453063680, 906127360, 1812254720]

約数ペア:

[(1, 1812254720), (2, 906127360), (4, 453063680), (5, 362450944), (8, 226531840), (10, 181225472), (16, 113265920), (20, 90612736), (32, 56632960), (40, 45306368), (64, 28316480), (80, 22653184), (107, 16936960), (128, 14158240), (160, 11326592), (214, 8468480), (256, 7079120), (320, 5663296), (428, 4234240), (512, 3539560), (535, 3387392), (640, 2831648), (827, 2191360), (856, 2117120), (1024, 1769780), (1070, 1693696), (1280, 1415824), (1654, 1095680), (1712, 1058560), (2048, 884890), (2140, 846848), (2560, 707912), (3308, 547840), (3424, 529280), (4096, 442445), (4135, 438272), (4280, 423424), (5120, 353956), (6616, 273920), (6848, 264640), (8270, 219136), (8560, 211712), (10240, 176978), (13232, 136960), (13696, 132320), (16540, 109568), (17120, 105856), (20480, 88489), (26464, 68480), (27392, 66160), (33080, 54784), (34240, 52928)]