218730780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135019}}^1$

素因数の和:135040

約数の個数: 60

約数和(自身を含む): 686171640

約数和(自身を除く): 467440860

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, 135019, 270038, 405057, 540076, 675095, 810114, 1215171, 1350190, 1620228, 2025285, 2430342, 2700380, 3645513, 4050570, 4860684, 6075855, 7291026, 8101140, 10936539, 12151710, 14582052, 18227565, 21873078, 24303420, 36455130, 43746156, 54682695, 72910260, 109365390, 218730780]

約数ペア:

[(1, 218730780), (2, 109365390), (3, 72910260), (4, 54682695), (5, 43746156), (6, 36455130), (9, 24303420), (10, 21873078), (12, 18227565), (15, 14582052), (18, 12151710), (20, 10936539), (27, 8101140), (30, 7291026), (36, 6075855), (45, 4860684), (54, 4050570), (60, 3645513), (81, 2700380), (90, 2430342), (108, 2025285), (135, 1620228), (162, 1350190), (180, 1215171), (270, 810114), (324, 675095), (405, 540076), (540, 405057), (810, 270038), (1620, 135019)]