51558360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61379}}^1$

素因数の和:61400

約数の個数: 64

約数和(自身を含む): 176774400

約数和(自身を除く): 125216040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61379, 122758, 184137, 245516, 306895, 368274, 429653, 491032, 613790, 736548, 859306, 920685, 1227580, 1288959, 1473096, 1718612, 1841370, 2148265, 2455160, 2577918, 3437224, 3682740, 4296530, 5155836, 6444795, 7365480, 8593060, 10311672, 12889590, 17186120, 25779180, 51558360]

約数ペア:

[(1, 51558360), (2, 25779180), (3, 17186120), (4, 12889590), (5, 10311672), (6, 8593060), (7, 7365480), (8, 6444795), (10, 5155836), (12, 4296530), (14, 3682740), (15, 3437224), (20, 2577918), (21, 2455160), (24, 2148265), (28, 1841370), (30, 1718612), (35, 1473096), (40, 1288959), (42, 1227580), (56, 920685), (60, 859306), (70, 736548), (84, 613790), (105, 491032), (120, 429653), (140, 368274), (168, 306895), (210, 245516), (280, 184137), (420, 122758), (840, 61379)]