15247180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 34786080

約数和(自身を除く): 19538900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 347, 676, 694, 845, 1388, 1690, 1735, 2197, 3380, 3470, 4394, 4511, 6940, 8788, 9022, 10985, 18044, 21970, 22555, 43940, 45110, 58643, 90220, 117286, 234572, 293215, 586430, 762359, 1172860, 1524718, 3049436, 3811795, 7623590, 15247180]

約数ペア:

[(1, 15247180), (2, 7623590), (4, 3811795), (5, 3049436), (10, 1524718), (13, 1172860), (20, 762359), (26, 586430), (52, 293215), (65, 234572), (130, 117286), (169, 90220), (260, 58643), (338, 45110), (347, 43940), (676, 22555), (694, 21970), (845, 18044), (1388, 10985), (1690, 9022), (1735, 8788), (2197, 6940), (3380, 4511), (3470, 4394)]