81578580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79979}}^1$

素因数の和:80008

約数の個数: 48

約数和(自身を含む): 241859520

約数和(自身を除く): 160280940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79979, 159958, 239937, 319916, 399895, 479874, 799790, 959748, 1199685, 1359643, 1599580, 2399370, 2719286, 4078929, 4798740, 5438572, 6798215, 8157858, 13596430, 16315716, 20394645, 27192860, 40789290, 81578580]

約数ペア:

[(1, 81578580), (2, 40789290), (3, 27192860), (4, 20394645), (5, 16315716), (6, 13596430), (10, 8157858), (12, 6798215), (15, 5438572), (17, 4798740), (20, 4078929), (30, 2719286), (34, 2399370), (51, 1599580), (60, 1359643), (68, 1199685), (85, 959748), (102, 799790), (170, 479874), (204, 399895), (255, 319916), (340, 239937), (510, 159958), (1020, 79979)]