138776580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{770981}}^1$

素因数の和:770996

約数の個数: 36

約数和(自身を含む): 420956172

約数和(自身を除く): 282179592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 770981, 1541962, 2312943, 3083924, 3854905, 4625886, 6938829, 7709810, 9251772, 11564715, 13877658, 15419620, 23129430, 27755316, 34694145, 46258860, 69388290, 138776580]

約数ペア:

[(1, 138776580), (2, 69388290), (3, 46258860), (4, 34694145), (5, 27755316), (6, 23129430), (9, 15419620), (10, 13877658), (12, 11564715), (15, 9251772), (18, 7709810), (20, 6938829), (30, 4625886), (36, 3854905), (45, 3083924), (60, 2312943), (90, 1541962), (180, 770981)]