81486960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2083}}^1$

素因数の和:2262

約数の個数: 80

約数和(自身を含む): 254281344

約数和(自身を除く): 172794384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2083, 2445, 2608, 3260, 3912, 4166, 4890, 6249, 6520, 7824, 8332, 9780, 10415, 12498, 13040, 16664, 19560, 20830, 24996, 31245, 33328, 39120, 41660, 49992, 62490, 83320, 99984, 124980, 166640, 249960, 339529, 499920, 679058, 1018587, 1358116, 1697645, 2037174, 2716232, 3395290, 4074348, 5092935, 5432464, 6790580, 8148696, 10185870, 13581160, 16297392, 20371740, 27162320, 40743480, 81486960]

約数ペア:

[(1, 81486960), (2, 40743480), (3, 27162320), (4, 20371740), (5, 16297392), (6, 13581160), (8, 10185870), (10, 8148696), (12, 6790580), (15, 5432464), (16, 5092935), (20, 4074348), (24, 3395290), (30, 2716232), (40, 2037174), (48, 1697645), (60, 1358116), (80, 1018587), (120, 679058), (163, 499920), (240, 339529), (326, 249960), (489, 166640), (652, 124980), (815, 99984), (978, 83320), (1304, 62490), (1630, 49992), (1956, 41660), (2083, 39120), (2445, 33328), (2608, 31245), (3260, 24996), (3912, 20830), (4166, 19560), (4890, 16664), (6249, 13040), (6520, 12498), (7824, 10415), (8332, 9780)]