61164920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{827}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 141066360

約数和(自身を除く): 79901440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 827, 860, 1654, 1720, 1849, 3308, 3698, 4135, 6616, 7396, 8270, 9245, 14792, 16540, 18490, 33080, 35561, 36980, 71122, 73960, 142244, 177805, 284488, 355610, 711220, 1422440, 1529123, 3058246, 6116492, 7645615, 12232984, 15291230, 30582460, 61164920]

約数ペア:

[(1, 61164920), (2, 30582460), (4, 15291230), (5, 12232984), (8, 7645615), (10, 6116492), (20, 3058246), (40, 1529123), (43, 1422440), (86, 711220), (172, 355610), (215, 284488), (344, 177805), (430, 142244), (827, 73960), (860, 71122), (1654, 36980), (1720, 35561), (1849, 33080), (3308, 18490), (3698, 16540), (4135, 14792), (6616, 9245), (7396, 8270)]