81450810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129287}}^1$

素因数の和:129307

約数の個数: 48

約数和(自身を含む): 242027136

約数和(自身を除く): 160576326

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, 129287, 258574, 387861, 646435, 775722, 905009, 1163583, 1292870, 1810018, 1939305, 2327166, 2715027, 3878610, 4525045, 5430054, 5817915, 8145081, 9050090, 11635830, 13575135, 16290162, 27150270, 40725405, 81450810]

約数ペア:

[(1, 81450810), (2, 40725405), (3, 27150270), (5, 16290162), (6, 13575135), (7, 11635830), (9, 9050090), (10, 8145081), (14, 5817915), (15, 5430054), (18, 4525045), (21, 3878610), (30, 2715027), (35, 2327166), (42, 1939305), (45, 1810018), (63, 1292870), (70, 1163583), (90, 905009), (105, 775722), (126, 646435), (210, 387861), (315, 258574), (630, 129287)]