66905960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2083}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 166553280

約数和(自身を除く): 99647320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2083, 2920, 3212, 4015, 4166, 6424, 8030, 8332, 10415, 16060, 16664, 20830, 22913, 32120, 41660, 45826, 83320, 91652, 114565, 152059, 183304, 229130, 304118, 458260, 608236, 760295, 916520, 1216472, 1520590, 1672649, 3041180, 3345298, 6082360, 6690596, 8363245, 13381192, 16726490, 33452980, 66905960]

約数ペア:

[(1, 66905960), (2, 33452980), (4, 16726490), (5, 13381192), (8, 8363245), (10, 6690596), (11, 6082360), (20, 3345298), (22, 3041180), (40, 1672649), (44, 1520590), (55, 1216472), (73, 916520), (88, 760295), (110, 608236), (146, 458260), (220, 304118), (292, 229130), (365, 183304), (440, 152059), (584, 114565), (730, 91652), (803, 83320), (1460, 45826), (1606, 41660), (2083, 32120), (2920, 22913), (3212, 20830), (4015, 16664), (4166, 16060), (6424, 10415), (8030, 8332)]