77787080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 200845440

約数和(自身を除く): 123058360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 787, 1412, 1574, 1765, 2471, 2824, 3148, 3530, 3935, 4942, 5509, 6296, 7060, 7870, 9884, 11018, 12355, 14120, 15740, 19768, 22036, 24710, 27545, 31480, 44072, 49420, 55090, 98840, 110180, 220360, 277811, 555622, 1111244, 1389055, 1944677, 2222488, 2778110, 3889354, 5556220, 7778708, 9723385, 11112440, 15557416, 19446770, 38893540, 77787080]

約数ペア:

[(1, 77787080), (2, 38893540), (4, 19446770), (5, 15557416), (7, 11112440), (8, 9723385), (10, 7778708), (14, 5556220), (20, 3889354), (28, 2778110), (35, 2222488), (40, 1944677), (56, 1389055), (70, 1111244), (140, 555622), (280, 277811), (353, 220360), (706, 110180), (787, 98840), (1412, 55090), (1574, 49420), (1765, 44072), (2471, 31480), (2824, 27545), (3148, 24710), (3530, 22036), (3935, 19768), (4942, 15740), (5509, 14120), (6296, 12355), (7060, 11018), (7870, 9884)]