61781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1879}}^1$

素因数の和:2032

約数の個数: 80

約数和(自身を含む): 193023360

約数和(自身を除く): 131241840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 1879, 2055, 2192, 2740, 3288, 3758, 4110, 5480, 5637, 6576, 7516, 8220, 9395, 10960, 11274, 15032, 16440, 18790, 22548, 28185, 30064, 32880, 37580, 45096, 56370, 75160, 90192, 112740, 150320, 225480, 257423, 450960, 514846, 772269, 1029692, 1287115, 1544538, 2059384, 2574230, 3089076, 3861345, 4118768, 5148460, 6178152, 7722690, 10296920, 12356304, 15445380, 20593840, 30890760, 61781520]

約数ペア:

[(1, 61781520), (2, 30890760), (3, 20593840), (4, 15445380), (5, 12356304), (6, 10296920), (8, 7722690), (10, 6178152), (12, 5148460), (15, 4118768), (16, 3861345), (20, 3089076), (24, 2574230), (30, 2059384), (40, 1544538), (48, 1287115), (60, 1029692), (80, 772269), (120, 514846), (137, 450960), (240, 257423), (274, 225480), (411, 150320), (548, 112740), (685, 90192), (822, 75160), (1096, 56370), (1370, 45096), (1644, 37580), (1879, 32880), (2055, 30064), (2192, 28185), (2740, 22548), (3288, 18790), (3758, 16440), (4110, 15032), (5480, 11274), (5637, 10960), (6576, 9395), (7516, 8220)]