12905010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 33755904

約数和(自身を除く): 20850894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 643, 669, 1115, 1286, 1338, 1929, 2007, 2230, 3215, 3345, 3858, 4014, 5787, 6430, 6690, 9645, 10035, 11574, 19290, 20070, 28935, 57870, 143389, 286778, 430167, 716945, 860334, 1290501, 1433890, 2150835, 2581002, 4301670, 6452505, 12905010]

約数ペア:

[(1, 12905010), (2, 6452505), (3, 4301670), (5, 2581002), (6, 2150835), (9, 1433890), (10, 1290501), (15, 860334), (18, 716945), (30, 430167), (45, 286778), (90, 143389), (223, 57870), (446, 28935), (643, 20070), (669, 19290), (1115, 11574), (1286, 10035), (1338, 9645), (1929, 6690), (2007, 6430), (2230, 5787), (3215, 4014), (3345, 3858)]