27721620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 84522984

約数和(自身を除く): 56801364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 457, 674, 914, 1011, 1348, 1371, 1685, 1828, 2022, 2285, 2742, 3033, 3370, 4044, 4113, 4570, 5055, 5484, 6066, 6740, 6855, 8226, 9140, 10110, 12132, 13710, 15165, 16452, 20220, 20565, 27420, 30330, 41130, 60660, 82260, 154009, 308018, 462027, 616036, 770045, 924054, 1386081, 1540090, 1848108, 2310135, 2772162, 3080180, 4620270, 5544324, 6930405, 9240540, 13860810, 27721620]

約数ペア:

[(1, 27721620), (2, 13860810), (3, 9240540), (4, 6930405), (5, 5544324), (6, 4620270), (9, 3080180), (10, 2772162), (12, 2310135), (15, 1848108), (18, 1540090), (20, 1386081), (30, 924054), (36, 770045), (45, 616036), (60, 462027), (90, 308018), (180, 154009), (337, 82260), (457, 60660), (674, 41130), (914, 30330), (1011, 27420), (1348, 20565), (1371, 20220), (1685, 16452), (1828, 15165), (2022, 13710), (2285, 12132), (2742, 10110), (3033, 9140), (3370, 8226), (4044, 6855), (4113, 6740), (4570, 6066), (5055, 5484)]