15315980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 34455456

約数和(自身を除く): 19139476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 421, 428, 535, 842, 1070, 1684, 1819, 2105, 2140, 3638, 4210, 7157, 7276, 8420, 9095, 14314, 18190, 28628, 35785, 36380, 45047, 71570, 90094, 143140, 180188, 225235, 450470, 765799, 900940, 1531598, 3063196, 3828995, 7657990, 15315980]

約数ペア:

[(1, 15315980), (2, 7657990), (4, 3828995), (5, 3063196), (10, 1531598), (17, 900940), (20, 765799), (34, 450470), (68, 225235), (85, 180188), (107, 143140), (170, 90094), (214, 71570), (340, 45047), (421, 36380), (428, 35785), (535, 28628), (842, 18190), (1070, 14314), (1684, 9095), (1819, 8420), (2105, 7276), (2140, 7157), (3638, 4210)]