30875940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 94119480

約数和(自身を除く): 63243540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 509, 674, 1011, 1018, 1348, 1527, 1685, 2022, 2036, 2545, 3033, 3054, 3370, 4044, 4581, 5055, 5090, 6066, 6108, 6740, 7635, 9162, 10110, 10180, 12132, 15165, 15270, 18324, 20220, 22905, 30330, 30540, 45810, 60660, 91620, 171533, 343066, 514599, 686132, 857665, 1029198, 1543797, 1715330, 2058396, 2572995, 3087594, 3430660, 5145990, 6175188, 7718985, 10291980, 15437970, 30875940]

約数ペア:

[(1, 30875940), (2, 15437970), (3, 10291980), (4, 7718985), (5, 6175188), (6, 5145990), (9, 3430660), (10, 3087594), (12, 2572995), (15, 2058396), (18, 1715330), (20, 1543797), (30, 1029198), (36, 857665), (45, 686132), (60, 514599), (90, 343066), (180, 171533), (337, 91620), (509, 60660), (674, 45810), (1011, 30540), (1018, 30330), (1348, 22905), (1527, 20220), (1685, 18324), (2022, 15270), (2036, 15165), (2545, 12132), (3033, 10180), (3054, 10110), (3370, 9162), (4044, 7635), (4581, 6740), (5055, 6108), (5090, 6066)]