171417920

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1091}}^1$

素因数の和:1599

約数の個数: 56

約数和(自身を含む): 409395168

約数和(自身を除く): 237977248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 982, 1091, 1964, 2182, 2455, 3928, 4364, 4910, 5455, 7856, 8728, 9820, 10910, 15712, 17456, 19640, 21820, 31424, 34912, 39280, 43640, 69824, 78560, 87280, 157120, 174560, 349120, 535681, 1071362, 2142724, 2678405, 4285448, 5356810, 8570896, 10713620, 17141792, 21427240, 34283584, 42854480, 85708960, 171417920]

約数ペア:

[(1, 171417920), (2, 85708960), (4, 42854480), (5, 34283584), (8, 21427240), (10, 17141792), (16, 10713620), (20, 8570896), (32, 5356810), (40, 4285448), (64, 2678405), (80, 2142724), (160, 1071362), (320, 535681), (491, 349120), (982, 174560), (1091, 157120), (1964, 87280), (2182, 78560), (2455, 69824), (3928, 43640), (4364, 39280), (4910, 34912), (5455, 31424), (7856, 21820), (8728, 19640), (9820, 17456), (10910, 15712)]