15540140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10091}}^1$

素因数の和:10118

約数の個数: 48

約数和(自身を含む): 40690944

約数和(自身を除く): 25150804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10091, 20182, 40364, 50455, 70637, 100910, 111001, 141274, 201820, 222002, 282548, 353185, 444004, 555005, 706370, 777007, 1110010, 1412740, 1554014, 2220020, 3108028, 3885035, 7770070, 15540140]

約数ペア:

[(1, 15540140), (2, 7770070), (4, 3885035), (5, 3108028), (7, 2220020), (10, 1554014), (11, 1412740), (14, 1110010), (20, 777007), (22, 706370), (28, 555005), (35, 444004), (44, 353185), (55, 282548), (70, 222002), (77, 201820), (110, 141274), (140, 111001), (154, 100910), (220, 70637), (308, 50455), (385, 40364), (770, 20182), (1540, 10091)]