7780120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 19116000

約数和(自身を除く): 11335880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 353, 380, 551, 580, 706, 760, 1102, 1160, 1412, 1765, 2204, 2755, 2824, 3530, 4408, 5510, 6707, 7060, 10237, 11020, 13414, 14120, 20474, 22040, 26828, 33535, 40948, 51185, 53656, 67070, 81896, 102370, 134140, 194503, 204740, 268280, 389006, 409480, 778012, 972515, 1556024, 1945030, 3890060, 7780120]

約数ペア:

[(1, 7780120), (2, 3890060), (4, 1945030), (5, 1556024), (8, 972515), (10, 778012), (19, 409480), (20, 389006), (29, 268280), (38, 204740), (40, 194503), (58, 134140), (76, 102370), (95, 81896), (116, 67070), (145, 53656), (152, 51185), (190, 40948), (232, 33535), (290, 26828), (353, 22040), (380, 20474), (551, 14120), (580, 13414), (706, 11020), (760, 10237), (1102, 7060), (1160, 6707), (1412, 5510), (1765, 4408), (2204, 3530), (2755, 2824)]