66898480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6911}}^1$

素因数の和:6946

約数の個数: 60

約数和(自身を含む): 170989056

約数和(自身を除く): 104090576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 6911, 9680, 13822, 27644, 34555, 55288, 69110, 76021, 110576, 138220, 152042, 276440, 304084, 380105, 552880, 608168, 760210, 836231, 1216336, 1520420, 1672462, 3040840, 3344924, 4181155, 6081680, 6689848, 8362310, 13379696, 16724620, 33449240, 66898480]

約数ペア:

[(1, 66898480), (2, 33449240), (4, 16724620), (5, 13379696), (8, 8362310), (10, 6689848), (11, 6081680), (16, 4181155), (20, 3344924), (22, 3040840), (40, 1672462), (44, 1520420), (55, 1216336), (80, 836231), (88, 760210), (110, 608168), (121, 552880), (176, 380105), (220, 304084), (242, 276440), (440, 152042), (484, 138220), (605, 110576), (880, 76021), (968, 69110), (1210, 55288), (1936, 34555), (2420, 27644), (4840, 13822), (6911, 9680)]