66672760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21647}}^1$

素因数の和:21676

約数の個数: 64

約数和(自身を含む): 187038720

約数和(自身を除く): 120365960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21647, 43294, 86588, 108235, 151529, 173176, 216470, 238117, 303058, 432940, 476234, 606116, 757645, 865880, 952468, 1190585, 1212232, 1515290, 1666819, 1904936, 2381170, 3030580, 3333638, 4762340, 6061160, 6667276, 8334095, 9524680, 13334552, 16668190, 33336380, 66672760]

約数ペア:

[(1, 66672760), (2, 33336380), (4, 16668190), (5, 13334552), (7, 9524680), (8, 8334095), (10, 6667276), (11, 6061160), (14, 4762340), (20, 3333638), (22, 3030580), (28, 2381170), (35, 1904936), (40, 1666819), (44, 1515290), (55, 1212232), (56, 1190585), (70, 952468), (77, 865880), (88, 757645), (110, 606116), (140, 476234), (154, 432940), (220, 303058), (280, 238117), (308, 216470), (385, 173176), (440, 151529), (616, 108235), (770, 86588), (1540, 43294), (3080, 21647)]