1878180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 5491584

約数和(自身を除く): 3613404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1361, 1380, 2722, 4083, 5444, 6805, 8166, 13610, 16332, 20415, 27220, 31303, 40830, 62606, 81660, 93909, 125212, 156515, 187818, 313030, 375636, 469545, 626060, 939090, 1878180]

約数ペア:

[(1, 1878180), (2, 939090), (3, 626060), (4, 469545), (5, 375636), (6, 313030), (10, 187818), (12, 156515), (15, 125212), (20, 93909), (23, 81660), (30, 62606), (46, 40830), (60, 31303), (69, 27220), (92, 20415), (115, 16332), (138, 13610), (230, 8166), (276, 6805), (345, 5444), (460, 4083), (690, 2722), (1361, 1380)]