30511980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 93012192

約数和(自身を除く): 62500212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 503, 674, 1006, 1011, 1348, 1509, 1685, 2012, 2022, 2515, 3018, 3033, 3370, 4044, 4527, 5030, 5055, 6036, 6066, 6740, 7545, 9054, 10060, 10110, 12132, 15090, 15165, 18108, 20220, 22635, 30180, 30330, 45270, 60660, 90540, 169511, 339022, 508533, 678044, 847555, 1017066, 1525599, 1695110, 2034132, 2542665, 3051198, 3390220, 5085330, 6102396, 7627995, 10170660, 15255990, 30511980]

約数ペア:

[(1, 30511980), (2, 15255990), (3, 10170660), (4, 7627995), (5, 6102396), (6, 5085330), (9, 3390220), (10, 3051198), (12, 2542665), (15, 2034132), (18, 1695110), (20, 1525599), (30, 1017066), (36, 847555), (45, 678044), (60, 508533), (90, 339022), (180, 169511), (337, 90540), (503, 60660), (674, 45270), (1006, 30330), (1011, 30180), (1348, 22635), (1509, 20220), (1685, 18108), (2012, 15165), (2022, 15090), (2515, 12132), (3018, 10110), (3033, 10060), (3370, 9054), (4044, 7545), (4527, 6740), (5030, 6066), (5055, 6036)]