19782780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6221}}^1$

素因数の和:6286

約数の個数: 48

約数和(自身を含む): 56445984

約数和(自身を除く): 36663204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6221, 12442, 18663, 24884, 31105, 37326, 62210, 74652, 93315, 124420, 186630, 329713, 373260, 659426, 989139, 1318852, 1648565, 1978278, 3297130, 3956556, 4945695, 6594260, 9891390, 19782780]

約数ペア:

[(1, 19782780), (2, 9891390), (3, 6594260), (4, 4945695), (5, 3956556), (6, 3297130), (10, 1978278), (12, 1648565), (15, 1318852), (20, 989139), (30, 659426), (53, 373260), (60, 329713), (106, 186630), (159, 124420), (212, 93315), (265, 74652), (318, 62210), (530, 37326), (636, 31105), (795, 24884), (1060, 18663), (1590, 12442), (3180, 6221)]