54781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 138378240

約数和(自身を除く): 83596660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 103, 116, 131, 140, 145, 203, 206, 262, 290, 406, 412, 515, 524, 580, 655, 721, 812, 917, 1015, 1030, 1310, 1442, 1834, 2030, 2060, 2620, 2884, 2987, 3605, 3668, 3799, 4060, 4585, 5974, 7210, 7598, 9170, 11948, 13493, 14420, 14935, 15196, 18340, 18995, 20909, 26593, 26986, 29870, 37990, 41818, 53186, 53972, 59740, 67465, 75980, 83636, 94451, 104545, 106372, 132965, 134930, 188902, 209090, 265930, 269860, 377804, 391297, 418180, 472255, 531860, 782594, 944510, 1565188, 1889020, 1956485, 2739079, 3912970, 5478158, 7825940, 10956316, 13695395, 27390790, 54781580]

約数ペア:

[(1, 54781580), (2, 27390790), (4, 13695395), (5, 10956316), (7, 7825940), (10, 5478158), (14, 3912970), (20, 2739079), (28, 1956485), (29, 1889020), (35, 1565188), (58, 944510), (70, 782594), (103, 531860), (116, 472255), (131, 418180), (140, 391297), (145, 377804), (203, 269860), (206, 265930), (262, 209090), (290, 188902), (406, 134930), (412, 132965), (515, 106372), (524, 104545), (580, 94451), (655, 83636), (721, 75980), (812, 67465), (917, 59740), (1015, 53972), (1030, 53186), (1310, 41818), (1442, 37990), (1834, 29870), (2030, 26986), (2060, 26593), (2620, 20909), (2884, 18995), (2987, 18340), (3605, 15196), (3668, 14935), (3799, 14420), (4060, 13493), (4585, 11948), (5974, 9170), (7210, 7598)]