79961560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 206452800

約数和(自身を除く): 126491240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 809, 1412, 1618, 1765, 2471, 2824, 3236, 3530, 4045, 4942, 5663, 6472, 7060, 8090, 9884, 11326, 12355, 14120, 16180, 19768, 22652, 24710, 28315, 32360, 45304, 49420, 56630, 98840, 113260, 226520, 285577, 571154, 1142308, 1427885, 1999039, 2284616, 2855770, 3998078, 5711540, 7996156, 9995195, 11423080, 15992312, 19990390, 39980780, 79961560]

約数ペア:

[(1, 79961560), (2, 39980780), (4, 19990390), (5, 15992312), (7, 11423080), (8, 9995195), (10, 7996156), (14, 5711540), (20, 3998078), (28, 2855770), (35, 2284616), (40, 1999039), (56, 1427885), (70, 1142308), (140, 571154), (280, 285577), (353, 226520), (706, 113260), (809, 98840), (1412, 56630), (1618, 49420), (1765, 45304), (2471, 32360), (2824, 28315), (3236, 24710), (3530, 22652), (4045, 19768), (4942, 16180), (5663, 14120), (6472, 12355), (7060, 11326), (8090, 9884)]