61495480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1123}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 142332120

約数和(自身を除く): 80836640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1123, 1369, 1480, 2246, 2738, 4492, 5476, 5615, 6845, 8984, 10952, 11230, 13690, 22460, 27380, 41551, 44920, 54760, 83102, 166204, 207755, 332408, 415510, 831020, 1537387, 1662040, 3074774, 6149548, 7686935, 12299096, 15373870, 30747740, 61495480]

約数ペア:

[(1, 61495480), (2, 30747740), (4, 15373870), (5, 12299096), (8, 7686935), (10, 6149548), (20, 3074774), (37, 1662040), (40, 1537387), (74, 831020), (148, 415510), (185, 332408), (296, 207755), (370, 166204), (740, 83102), (1123, 54760), (1369, 44920), (1480, 41551), (2246, 27380), (2738, 22460), (4492, 13690), (5476, 11230), (5615, 10952), (6845, 8984)]