78023960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4723}}^1$

素因数の和:4800

約数の個数: 64

約数和(自身を含む): 204076800

約数和(自身を除く): 126052840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 4723, 8260, 9446, 16520, 18892, 23615, 33061, 37784, 47230, 66122, 94460, 132244, 165305, 188920, 264488, 278657, 330610, 557314, 661220, 1114628, 1322440, 1393285, 1950599, 2229256, 2786570, 3901198, 5573140, 7802396, 9752995, 11146280, 15604792, 19505990, 39011980, 78023960]

約数ペア:

[(1, 78023960), (2, 39011980), (4, 19505990), (5, 15604792), (7, 11146280), (8, 9752995), (10, 7802396), (14, 5573140), (20, 3901198), (28, 2786570), (35, 2229256), (40, 1950599), (56, 1393285), (59, 1322440), (70, 1114628), (118, 661220), (140, 557314), (236, 330610), (280, 278657), (295, 264488), (413, 188920), (472, 165305), (590, 132244), (826, 94460), (1180, 66122), (1652, 47230), (2065, 37784), (2360, 33061), (3304, 23615), (4130, 18892), (4723, 16520), (8260, 9446)]