15531860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 33962880

約数和(自身を除く): 18431020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 151, 185, 278, 302, 370, 556, 604, 695, 740, 755, 1390, 1510, 2780, 3020, 5143, 5587, 10286, 11174, 20572, 20989, 22348, 25715, 27935, 41978, 51430, 55870, 83956, 102860, 104945, 111740, 209890, 419780, 776593, 1553186, 3106372, 3882965, 7765930, 15531860]

約数ペア:

[(1, 15531860), (2, 7765930), (4, 3882965), (5, 3106372), (10, 1553186), (20, 776593), (37, 419780), (74, 209890), (139, 111740), (148, 104945), (151, 102860), (185, 83956), (278, 55870), (302, 51430), (370, 41978), (556, 27935), (604, 25715), (695, 22348), (740, 20989), (755, 20572), (1390, 11174), (1510, 10286), (2780, 5587), (3020, 5143)]