71426120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 165993840

約数和(自身を除く): 94567720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 401, 488, 584, 610, 730, 802, 1220, 1460, 1604, 2005, 2440, 2920, 3208, 4010, 4453, 8020, 8906, 16040, 17812, 22265, 24461, 29273, 35624, 44530, 48922, 58546, 89060, 97844, 117092, 122305, 146365, 178120, 195688, 234184, 244610, 292730, 489220, 585460, 978440, 1170920, 1785653, 3571306, 7142612, 8928265, 14285224, 17856530, 35713060, 71426120]

約数ペア:

[(1, 71426120), (2, 35713060), (4, 17856530), (5, 14285224), (8, 8928265), (10, 7142612), (20, 3571306), (40, 1785653), (61, 1170920), (73, 978440), (122, 585460), (146, 489220), (244, 292730), (292, 244610), (305, 234184), (365, 195688), (401, 178120), (488, 146365), (584, 122305), (610, 117092), (730, 97844), (802, 89060), (1220, 58546), (1460, 48922), (1604, 44530), (2005, 35624), (2440, 29273), (2920, 24461), (3208, 22265), (4010, 17812), (4453, 16040), (8020, 8906)]