163951980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{1237}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 469419888

約数和(自身を除く): 305467908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1237, 1410, 2209, 2474, 2820, 3711, 4418, 4948, 6185, 6627, 7422, 8836, 11045, 12370, 13254, 14844, 18555, 22090, 24740, 26508, 33135, 37110, 44180, 58139, 66270, 74220, 116278, 132540, 174417, 232556, 290695, 348834, 581390, 697668, 872085, 1162780, 1744170, 2732533, 3488340, 5465066, 8197599, 10930132, 13662665, 16395198, 27325330, 32790396, 40987995, 54650660, 81975990, 163951980]

約数ペア:

[(1, 163951980), (2, 81975990), (3, 54650660), (4, 40987995), (5, 32790396), (6, 27325330), (10, 16395198), (12, 13662665), (15, 10930132), (20, 8197599), (30, 5465066), (47, 3488340), (60, 2732533), (94, 1744170), (141, 1162780), (188, 872085), (235, 697668), (282, 581390), (470, 348834), (564, 290695), (705, 232556), (940, 174417), (1237, 132540), (1410, 116278), (2209, 74220), (2474, 66270), (2820, 58139), (3711, 44180), (4418, 37110), (4948, 33135), (6185, 26508), (6627, 24740), (7422, 22090), (8836, 18555), (11045, 14844), (12370, 13254)]