80820810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128287}}^1$

素因数の和:128307

約数の個数: 48

約数和(自身を含む): 240155136

約数和(自身を除く): 159334326

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128287, 256574, 384861, 641435, 769722, 898009, 1154583, 1282870, 1796018, 1924305, 2309166, 2694027, 3848610, 4490045, 5388054, 5772915, 8082081, 8980090, 11545830, 13470135, 16164162, 26940270, 40410405, 80820810]

約数ペア:

[(1, 80820810), (2, 40410405), (3, 26940270), (5, 16164162), (6, 13470135), (7, 11545830), (9, 8980090), (10, 8082081), (14, 5772915), (15, 5388054), (18, 4490045), (21, 3848610), (30, 2694027), (35, 2309166), (42, 1924305), (45, 1796018), (63, 1282870), (70, 1154583), (90, 898009), (105, 769722), (126, 641435), (210, 384861), (315, 256574), (630, 128287)]