205071660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1139287}}^1$

素因数の和:1139302

約数の個数: 36

約数和(自身を含む): 622051248

約数和(自身を除く): 416979588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1139287, 2278574, 3417861, 4557148, 5696435, 6835722, 10253583, 11392870, 13671444, 17089305, 20507166, 22785740, 34178610, 41014332, 51267915, 68357220, 102535830, 205071660]

約数ペア:

[(1, 205071660), (2, 102535830), (3, 68357220), (4, 51267915), (5, 41014332), (6, 34178610), (9, 22785740), (10, 20507166), (12, 17089305), (15, 13671444), (18, 11392870), (20, 10253583), (30, 6835722), (36, 5696435), (45, 4557148), (60, 3417861), (90, 2278574), (180, 1139287)]