81082620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50051}}^1$

素因数の和:50072

約数の個数: 60

約数和(自身を含む): 254364264

約数和(自身を除く): 173281644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50051, 100102, 150153, 200204, 250255, 300306, 450459, 500510, 600612, 750765, 900918, 1001020, 1351377, 1501530, 1801836, 2252295, 2702754, 3003060, 4054131, 4504590, 5405508, 6756885, 8108262, 9009180, 13513770, 16216524, 20270655, 27027540, 40541310, 81082620]

約数ペア:

[(1, 81082620), (2, 40541310), (3, 27027540), (4, 20270655), (5, 16216524), (6, 13513770), (9, 9009180), (10, 8108262), (12, 6756885), (15, 5405508), (18, 4504590), (20, 4054131), (27, 3003060), (30, 2702754), (36, 2252295), (45, 1801836), (54, 1501530), (60, 1351377), (81, 1001020), (90, 900918), (108, 750765), (135, 600612), (162, 500510), (180, 450459), (270, 300306), (324, 250255), (405, 200204), (540, 150153), (810, 100102), (1620, 50051)]