15563120

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{857}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 36386064

約数和(自身を除く): 20822944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 857, 908, 1135, 1714, 1816, 2270, 3428, 3632, 4285, 4540, 6856, 8570, 9080, 13712, 17140, 18160, 34280, 68560, 194539, 389078, 778156, 972695, 1556312, 1945390, 3112624, 3890780, 7781560, 15563120]

約数ペア:

[(1, 15563120), (2, 7781560), (4, 3890780), (5, 3112624), (8, 1945390), (10, 1556312), (16, 972695), (20, 778156), (40, 389078), (80, 194539), (227, 68560), (454, 34280), (857, 18160), (908, 17140), (1135, 13712), (1714, 9080), (1816, 8570), (2270, 6856), (3428, 4540), (3632, 4285)]