20180887920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{27779}}^1$

素因数の和:28807

約数の個数: 120

約数和(自身を含む): 67843760400

約数和(自身を除く): 47662872480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1009, 2018, 3027, 4036, 5045, 6054, 8072, 9081, 10090, 12108, 15135, 16144, 18162, 20180, 24216, 27779, 30270, 36324, 40360, 45405, 48432, 55558, 60540, 72648, 80720, 83337, 90810, 111116, 121080, 138895, 145296, 166674, 181620, 222232, 242160, 250011, 277790, 333348, 363240, 416685, 444464, 500022, 555580, 666696, 726480, 833370, 1000044, 1111160, 1250055, 1333392, 1666740, 2000088, 2222320, 2500110, 3333480, 4000176, 5000220, 6666960, 10000440, 20000880, 28029011, 56058022, 84087033, 112116044, 140145055, 168174066, 224232088, 252261099, 280290110, 336348132, 420435165, 448464176, 504522198, 560580220, 672696264, 840870330, 1009044396, 1121160440, 1261305495, 1345392528, 1681740660, 2018088792, 2242320880, 2522610990, 3363481320, 4036177584, 5045221980, 6726962640, 10090443960, 20180887920]

約数ペア:

[(1, 20180887920), (2, 10090443960), (3, 6726962640), (4, 5045221980), (5, 4036177584), (6, 3363481320), (8, 2522610990), (9, 2242320880), (10, 2018088792), (12, 1681740660), (15, 1345392528), (16, 1261305495), (18, 1121160440), (20, 1009044396), (24, 840870330), (30, 672696264), (36, 560580220), (40, 504522198), (45, 448464176), (48, 420435165), (60, 336348132), (72, 280290110), (80, 252261099), (90, 224232088), (120, 168174066), (144, 140145055), (180, 112116044), (240, 84087033), (360, 56058022), (720, 28029011), (1009, 20000880), (2018, 10000440), (3027, 6666960), (4036, 5000220), (5045, 4000176), (6054, 3333480), (8072, 2500110), (9081, 2222320), (10090, 2000088), (12108, 1666740), (15135, 1333392), (16144, 1250055), (18162, 1111160), (20180, 1000044), (24216, 833370), (27779, 726480), (30270, 666696), (36324, 555580), (40360, 500022), (45405, 444464), (48432, 416685), (55558, 363240), (60540, 333348), (72648, 277790), (80720, 250011), (83337, 242160), (90810, 222232), (111116, 181620), (121080, 166674), (138895, 145296)]