18781800

素因数分解:

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

素因数の和:1403

約数の個数: 96

約数和(自身を含む): 60799680

約数和(自身を除く): 42017880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 138, 150, 184, 200, 230, 276, 300, 345, 460, 552, 575, 600, 690, 920, 1150, 1361, 1380, 1725, 2300, 2722, 2760, 3450, 4083, 4600, 5444, 6805, 6900, 8166, 10888, 13610, 13800, 16332, 20415, 27220, 31303, 32664, 34025, 40830, 54440, 62606, 68050, 81660, 93909, 102075, 125212, 136100, 156515, 163320, 187818, 204150, 250424, 272200, 313030, 375636, 408300, 469545, 626060, 751272, 782575, 816600, 939090, 1252120, 1565150, 1878180, 2347725, 3130300, 3756360, 4695450, 6260600, 9390900, 18781800]

約数ペア:

[(1, 18781800), (2, 9390900), (3, 6260600), (4, 4695450), (5, 3756360), (6, 3130300), (8, 2347725), (10, 1878180), (12, 1565150), (15, 1252120), (20, 939090), (23, 816600), (24, 782575), (25, 751272), (30, 626060), (40, 469545), (46, 408300), (50, 375636), (60, 313030), (69, 272200), (75, 250424), (92, 204150), (100, 187818), (115, 163320), (120, 156515), (138, 136100), (150, 125212), (184, 102075), (200, 93909), (230, 81660), (276, 68050), (300, 62606), (345, 54440), (460, 40830), (552, 34025), (575, 32664), (600, 31303), (690, 27220), (920, 20415), (1150, 16332), (1361, 13800), (1380, 13610), (1725, 10888), (2300, 8166), (2722, 6900), (2760, 6805), (3450, 5444), (4083, 4600)]