15210640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10007}}^1$

素因数の和:10039

約数の個数: 40

約数和(自身を含む): 37229760

約数和(自身を除く): 22019120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 190133, 200140, 380266, 400280, 760532, 800560, 950665, 1521064, 1901330, 3042128, 3802660, 7605320, 15210640]

約数ペア:

[(1, 15210640), (2, 7605320), (4, 3802660), (5, 3042128), (8, 1901330), (10, 1521064), (16, 950665), (19, 800560), (20, 760532), (38, 400280), (40, 380266), (76, 200140), (80, 190133), (95, 160112), (152, 100070), (190, 80056), (304, 50035), (380, 40028), (760, 20014), (1520, 10007)]