20280030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 52392960

約数和(自身を除く): 32112930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 757, 893, 1410, 1514, 1786, 2271, 2679, 3785, 4465, 4542, 5358, 7570, 8930, 11355, 13395, 14383, 22710, 26790, 28766, 35579, 43149, 71158, 71915, 86298, 106737, 143830, 177895, 213474, 215745, 355790, 431490, 533685, 676001, 1067370, 1352002, 2028003, 3380005, 4056006, 6760010, 10140015, 20280030]

約数ペア:

[(1, 20280030), (2, 10140015), (3, 6760010), (5, 4056006), (6, 3380005), (10, 2028003), (15, 1352002), (19, 1067370), (30, 676001), (38, 533685), (47, 431490), (57, 355790), (94, 215745), (95, 213474), (114, 177895), (141, 143830), (190, 106737), (235, 86298), (282, 71915), (285, 71158), (470, 43149), (570, 35579), (705, 28766), (757, 26790), (893, 22710), (1410, 14383), (1514, 13395), (1786, 11355), (2271, 8930), (2679, 7570), (3785, 5358), (4465, 4542)]