66880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:47

約数の個数: 56

約数和(自身を含む): 182880

約数和(自身を除く): 116000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1216, 1520, 1672, 1760, 2090, 3040, 3344, 3520, 4180, 6080, 6688, 8360, 13376, 16720, 33440, 66880]

約数ペア:

[(1, 66880), (2, 33440), (4, 16720), (5, 13376), (8, 8360), (10, 6688), (11, 6080), (16, 4180), (19, 3520), (20, 3344), (22, 3040), (32, 2090), (38, 1760), (40, 1672), (44, 1520), (55, 1216), (64, 1045), (76, 880), (80, 836), (88, 760), (95, 704), (110, 608), (152, 440), (160, 418), (176, 380), (190, 352), (209, 320), (220, 304)]