78486520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4751}}^1$

素因数の和:4828

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 126799880

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, 4751, 8260, 9502, 16520, 19004, 23755, 33257, 38008, 47510, 66514, 95020, 133028, 166285, 190040, 266056, 280309, 332570, 560618, 665140, 1121236, 1330280, 1401545, 1962163, 2242472, 2803090, 3924326, 5606180, 7848652, 9810815, 11212360, 15697304, 19621630, 39243260, 78486520]

約数ペア:

[(1, 78486520), (2, 39243260), (4, 19621630), (5, 15697304), (7, 11212360), (8, 9810815), (10, 7848652), (14, 5606180), (20, 3924326), (28, 2803090), (35, 2242472), (40, 1962163), (56, 1401545), (59, 1330280), (70, 1121236), (118, 665140), (140, 560618), (236, 332570), (280, 280309), (295, 266056), (413, 190040), (472, 166285), (590, 133028), (826, 95020), (1180, 66514), (1652, 47510), (2065, 38008), (2360, 33257), (3304, 23755), (4130, 19004), (4751, 16520), (8260, 9502)]