15394920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{128291}}^1$

素因数の和:128305

約数の個数: 32

約数和(自身を含む): 46185120

約数和(自身を除く): 30790200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 128291, 256582, 384873, 513164, 641455, 769746, 1026328, 1282910, 1539492, 1924365, 2565820, 3078984, 3848730, 5131640, 7697460, 15394920]

約数ペア:

[(1, 15394920), (2, 7697460), (3, 5131640), (4, 3848730), (5, 3078984), (6, 2565820), (8, 1924365), (10, 1539492), (12, 1282910), (15, 1026328), (20, 769746), (24, 641455), (30, 513164), (40, 384873), (60, 256582), (120, 128291)]