312081320

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{15511}}^1$

素因数の和:16025

約数の個数: 32

約数和(自身を含む): 703624320

約数和(自身を除く): 391543000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 15511, 20120, 31022, 62044, 77555, 124088, 155110, 310220, 620440, 7802033, 15604066, 31208132, 39010165, 62416264, 78020330, 156040660, 312081320]

約数ペア:

[(1, 312081320), (2, 156040660), (4, 78020330), (5, 62416264), (8, 39010165), (10, 31208132), (20, 15604066), (40, 7802033), (503, 620440), (1006, 310220), (2012, 155110), (2515, 124088), (4024, 77555), (5030, 62044), (10060, 31022), (15511, 20120)]