720764572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 1478055600

約数和(自身を除く): 757291028

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 251, 349, 374, 484, 502, 698, 748, 1004, 1396, 2057, 2761, 3839, 4114, 4267, 5522, 5933, 7678, 8228, 8534, 11044, 11866, 15356, 17068, 23732, 30371, 42229, 46937, 60742, 65263, 84458, 87599, 93874, 121484, 130526, 168916, 175198, 187748, 261052, 350396, 516307, 717893, 963589, 1032614, 1435786, 1489183, 1927178, 2065228, 2871572, 2978366, 3854356, 5956732, 10599479, 16381013, 21198958, 32762026, 42397916, 65524052, 180191143, 360382286, 720764572]

約数ペア:

[(1, 720764572), (2, 360382286), (4, 180191143), (11, 65524052), (17, 42397916), (22, 32762026), (34, 21198958), (44, 16381013), (68, 10599479), (121, 5956732), (187, 3854356), (242, 2978366), (251, 2871572), (349, 2065228), (374, 1927178), (484, 1489183), (502, 1435786), (698, 1032614), (748, 963589), (1004, 717893), (1396, 516307), (2057, 350396), (2761, 261052), (3839, 187748), (4114, 175198), (4267, 168916), (5522, 130526), (5933, 121484), (7678, 93874), (8228, 87599), (8534, 84458), (11044, 65263), (11866, 60742), (15356, 46937), (17068, 42229), (23732, 30371)]