245846720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{15679}}^1$

素因数の和:15710

約数の個数: 84

約数和(自身を含む): 681045120

約数和(自身を除く): 435198400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15679, 15680, 31358, 62716, 78395, 109753, 125432, 156790, 219506, 250864, 313580, 439012, 501728, 548765, 627160, 768271, 878024, 1003456, 1097530, 1254320, 1536542, 1756048, 2195060, 2508640, 3073084, 3512096, 3841355, 4390120, 5017280, 6146168, 7024192, 7682710, 8780240, 12292336, 15365420, 17560480, 24584672, 30730840, 35120960, 49169344, 61461680, 122923360, 245846720]

約数ペア:

[(1, 245846720), (2, 122923360), (4, 61461680), (5, 49169344), (7, 35120960), (8, 30730840), (10, 24584672), (14, 17560480), (16, 15365420), (20, 12292336), (28, 8780240), (32, 7682710), (35, 7024192), (40, 6146168), (49, 5017280), (56, 4390120), (64, 3841355), (70, 3512096), (80, 3073084), (98, 2508640), (112, 2195060), (140, 1756048), (160, 1536542), (196, 1254320), (224, 1097530), (245, 1003456), (280, 878024), (320, 768271), (392, 627160), (448, 548765), (490, 501728), (560, 439012), (784, 313580), (980, 250864), (1120, 219506), (1568, 156790), (1960, 125432), (2240, 109753), (3136, 78395), (3920, 62716), (7840, 31358), (15679, 15680)]