1520990478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{23623}}^1$

素因数の和:23718

約数の個数: 72

約数和(自身を含む): 3886195248

約数和(自身を除く): 2365204770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 438, 441, 511, 657, 882, 1022, 1314, 1533, 3066, 3577, 4599, 7154, 9198, 10731, 21462, 23623, 32193, 47246, 64386, 70869, 141738, 165361, 212607, 330722, 425214, 496083, 992166, 1157527, 1488249, 1724479, 2315054, 2976498, 3448958, 3472581, 5173437, 6945162, 10346874, 10417743, 12071353, 15520311, 20835486, 24142706, 31040622, 36214059, 72428118, 84499471, 108642177, 168998942, 217284354, 253498413, 506996826, 760495239, 1520990478]

約数ペア:

[(1, 1520990478), (2, 760495239), (3, 506996826), (6, 253498413), (7, 217284354), (9, 168998942), (14, 108642177), (18, 84499471), (21, 72428118), (42, 36214059), (49, 31040622), (63, 24142706), (73, 20835486), (98, 15520311), (126, 12071353), (146, 10417743), (147, 10346874), (219, 6945162), (294, 5173437), (438, 3472581), (441, 3448958), (511, 2976498), (657, 2315054), (882, 1724479), (1022, 1488249), (1314, 1157527), (1533, 992166), (3066, 496083), (3577, 425214), (4599, 330722), (7154, 212607), (9198, 165361), (10731, 141738), (21462, 70869), (23623, 64386), (32193, 47246)]