1810891980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{52127}}^1$

素因数の和:52335

約数の個数: 72

約数和(自身を含む): 5521606272

約数和(自身を除く): 3710714292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 5790, 6948, 8685, 11580, 17370, 34740, 52127, 104254, 156381, 208508, 260635, 312762, 469143, 521270, 625524, 781905, 938286, 1042540, 1563810, 1876572, 2345715, 3127620, 4691430, 9382860, 10060511, 20121022, 30181533, 40242044, 50302555, 60363066, 90544599, 100605110, 120726132, 150907665, 181089198, 201210220, 301815330, 362178396, 452722995, 603630660, 905445990, 1810891980]

約数ペア:

[(1, 1810891980), (2, 905445990), (3, 603630660), (4, 452722995), (5, 362178396), (6, 301815330), (9, 201210220), (10, 181089198), (12, 150907665), (15, 120726132), (18, 100605110), (20, 90544599), (30, 60363066), (36, 50302555), (45, 40242044), (60, 30181533), (90, 20121022), (180, 10060511), (193, 9382860), (386, 4691430), (579, 3127620), (772, 2345715), (965, 1876572), (1158, 1563810), (1737, 1042540), (1930, 938286), (2316, 781905), (2895, 625524), (3474, 521270), (3860, 469143), (5790, 312762), (6948, 260635), (8685, 208508), (11580, 156381), (17370, 104254), (34740, 52127)]