212272020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1179289}}^1$

素因数の和:1179304

約数の個数: 36

約数和(自身を含む): 643892340

約数和(自身を除く): 431620320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1179289, 2358578, 3537867, 4717156, 5896445, 7075734, 10613601, 11792890, 14151468, 17689335, 21227202, 23585780, 35378670, 42454404, 53068005, 70757340, 106136010, 212272020]

約数ペア:

[(1, 212272020), (2, 106136010), (3, 70757340), (4, 53068005), (5, 42454404), (6, 35378670), (9, 23585780), (10, 21227202), (12, 17689335), (15, 14151468), (18, 11792890), (20, 10613601), (30, 7075734), (36, 5896445), (45, 4717156), (60, 3537867), (90, 2358578), (180, 1179289)]