71991080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6271}}^1$

素因数の和:6330

約数の個数: 64

約数和(自身を含む): 189665280

約数和(自身を除く): 117674200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 6271, 11480, 12542, 25084, 31355, 43897, 50168, 62710, 87794, 125420, 175588, 219485, 250840, 257111, 351176, 438970, 514222, 877940, 1028444, 1285555, 1755880, 1799777, 2056888, 2571110, 3599554, 5142220, 7199108, 8998885, 10284440, 14398216, 17997770, 35995540, 71991080]

約数ペア:

[(1, 71991080), (2, 35995540), (4, 17997770), (5, 14398216), (7, 10284440), (8, 8998885), (10, 7199108), (14, 5142220), (20, 3599554), (28, 2571110), (35, 2056888), (40, 1799777), (41, 1755880), (56, 1285555), (70, 1028444), (82, 877940), (140, 514222), (164, 438970), (205, 351176), (280, 257111), (287, 250840), (328, 219485), (410, 175588), (574, 125420), (820, 87794), (1148, 62710), (1435, 50168), (1640, 43897), (2296, 31355), (2870, 25084), (5740, 12542), (6271, 11480)]