212272740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1179293}}^1$

素因数の和:1179308

約数の個数: 36

約数和(自身を含む): 643894524

約数和(自身を除く): 431621784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1179293, 2358586, 3537879, 4717172, 5896465, 7075758, 10613637, 11792930, 14151516, 17689395, 21227274, 23585860, 35378790, 42454548, 53068185, 70757580, 106136370, 212272740]

約数ペア:

[(1, 212272740), (2, 106136370), (3, 70757580), (4, 53068185), (5, 42454548), (6, 35378790), (9, 23585860), (10, 21227274), (12, 17689395), (15, 14151516), (18, 11792930), (20, 10613637), (30, 7075758), (36, 5896465), (45, 4717172), (60, 3537879), (90, 2358586), (180, 1179293)]