780320505276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42157}}^1\times {\mathrm{39551}}^1$

素因数の和:81731

約数の個数: 72

約数和(自身を含む): 2124309917184

約数和(自身を除く): 1343989411908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39551, 42157, 79102, 84314, 118653, 126471, 158204, 168628, 237306, 252942, 355959, 379413, 474612, 505884, 514163, 548041, 711918, 758826, 1028326, 1096082, 1423836, 1517652, 1542489, 1644123, 2056652, 2192164, 3084978, 3288246, 4627467, 4932369, 6169956, 6576492, 9254934, 9864738, 18509868, 19729476, 1667351507, 3334703014, 5002054521, 6669406028, 10004109042, 15006163563, 20008218084, 21675569591, 30012327126, 43351139182, 60024654252, 65026708773, 86702278364, 130053417546, 195080126319, 260106835092, 390160252638, 780320505276]

約数ペア:

[(1, 780320505276), (2, 390160252638), (3, 260106835092), (4, 195080126319), (6, 130053417546), (9, 86702278364), (12, 65026708773), (13, 60024654252), (18, 43351139182), (26, 30012327126), (36, 21675569591), (39, 20008218084), (52, 15006163563), (78, 10004109042), (117, 6669406028), (156, 5002054521), (234, 3334703014), (468, 1667351507), (39551, 19729476), (42157, 18509868), (79102, 9864738), (84314, 9254934), (118653, 6576492), (126471, 6169956), (158204, 4932369), (168628, 4627467), (237306, 3288246), (252942, 3084978), (355959, 2192164), (379413, 2056652), (474612, 1644123), (505884, 1542489), (514163, 1517652), (548041, 1423836), (711918, 1096082), (758826, 1028326)]