72558920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{541}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 187315200

約数和(自身を除く): 114756280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 541, 958, 1082, 1916, 2164, 2395, 2705, 3353, 3787, 3832, 4328, 4790, 5410, 6706, 7574, 9580, 10820, 13412, 15148, 16765, 18935, 19160, 21640, 26824, 30296, 33530, 37870, 67060, 75740, 134120, 151480, 259139, 518278, 1036556, 1295695, 1813973, 2073112, 2591390, 3627946, 5182780, 7255892, 9069865, 10365560, 14511784, 18139730, 36279460, 72558920]

約数ペア:

[(1, 72558920), (2, 36279460), (4, 18139730), (5, 14511784), (7, 10365560), (8, 9069865), (10, 7255892), (14, 5182780), (20, 3627946), (28, 2591390), (35, 2073112), (40, 1813973), (56, 1295695), (70, 1036556), (140, 518278), (280, 259139), (479, 151480), (541, 134120), (958, 75740), (1082, 67060), (1916, 37870), (2164, 33530), (2395, 30296), (2705, 26824), (3353, 21640), (3787, 19160), (3832, 18935), (4328, 16765), (4790, 15148), (5410, 13412), (6706, 10820), (7574, 9580)]