61781860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{11927}}^1$

素因数の和:11980

約数の個数: 48

約数和(自身を含む): 152296704

約数和(自身を除く): 90514844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 11927, 23854, 47708, 59635, 83489, 119270, 166978, 238540, 333956, 417445, 441299, 834890, 882598, 1669780, 1765196, 2206495, 3089093, 4412990, 6178186, 8825980, 12356372, 15445465, 30890930, 61781860]

約数ペア:

[(1, 61781860), (2, 30890930), (4, 15445465), (5, 12356372), (7, 8825980), (10, 6178186), (14, 4412990), (20, 3089093), (28, 2206495), (35, 1765196), (37, 1669780), (70, 882598), (74, 834890), (140, 441299), (148, 417445), (185, 333956), (259, 238540), (370, 166978), (518, 119270), (740, 83489), (1036, 59635), (1295, 47708), (2590, 23854), (5180, 11927)]