389214180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{720767}}^1$

素因数の和:720785

約数の個数: 48

約数和(自身を含む): 1210890240

約数和(自身を除く): 821676060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 720767, 1441534, 2162301, 2883068, 3603835, 4324602, 6486903, 7207670, 8649204, 10811505, 12973806, 14415340, 19460709, 21623010, 25947612, 32434515, 38921418, 43246020, 64869030, 77842836, 97303545, 129738060, 194607090, 389214180]

約数ペア:

[(1, 389214180), (2, 194607090), (3, 129738060), (4, 97303545), (5, 77842836), (6, 64869030), (9, 43246020), (10, 38921418), (12, 32434515), (15, 25947612), (18, 21623010), (20, 19460709), (27, 14415340), (30, 12973806), (36, 10811505), (45, 8649204), (54, 7207670), (60, 6486903), (90, 4324602), (108, 3603835), (135, 2883068), (180, 2162301), (270, 1441534), (540, 720767)]