51657660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{286987}}^1$

素因数の和:287002

約数の個数: 36

約数和(自身を含む): 156695448

約数和(自身を除く): 105037788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 286987, 573974, 860961, 1147948, 1434935, 1721922, 2582883, 2869870, 3443844, 4304805, 5165766, 5739740, 8609610, 10331532, 12914415, 17219220, 25828830, 51657660]

約数ペア:

[(1, 51657660), (2, 25828830), (3, 17219220), (4, 12914415), (5, 10331532), (6, 8609610), (9, 5739740), (10, 5165766), (12, 4304805), (15, 3443844), (18, 2869870), (20, 2582883), (30, 1721922), (36, 1434935), (45, 1147948), (60, 860961), (90, 573974), (180, 286987)]