253361920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28277}}^1$

素因数の和:28305

約数の個数: 72

約数和(自身を含む): 693602784

約数和(自身を除く): 440240864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28277, 56554, 113108, 141385, 197939, 226216, 282770, 395878, 452432, 565540, 791756, 904864, 989695, 1131080, 1583512, 1809728, 1979390, 2262160, 3167024, 3619456, 3958780, 4524320, 6334048, 7238912, 7917560, 9048640, 12668096, 15835120, 18097280, 25336192, 31670240, 36194560, 50672384, 63340480, 126680960, 253361920]

約数ペア:

[(1, 253361920), (2, 126680960), (4, 63340480), (5, 50672384), (7, 36194560), (8, 31670240), (10, 25336192), (14, 18097280), (16, 15835120), (20, 12668096), (28, 9048640), (32, 7917560), (35, 7238912), (40, 6334048), (56, 4524320), (64, 3958780), (70, 3619456), (80, 3167024), (112, 2262160), (128, 1979390), (140, 1809728), (160, 1583512), (224, 1131080), (256, 989695), (280, 904864), (320, 791756), (448, 565540), (560, 452432), (640, 395878), (896, 282770), (1120, 226216), (1280, 197939), (1792, 141385), (2240, 113108), (4480, 56554), (8960, 28277)]