129252720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{538553}}^1$

素因数の和:538569

約数の個数: 40

約数和(自身を含む): 400684176

約数和(自身を除く): 271431456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 538553, 1077106, 1615659, 2154212, 2692765, 3231318, 4308424, 5385530, 6462636, 8078295, 8616848, 10771060, 12925272, 16156590, 21542120, 25850544, 32313180, 43084240, 64626360, 129252720]

約数ペア:

[(1, 129252720), (2, 64626360), (3, 43084240), (4, 32313180), (5, 25850544), (6, 21542120), (8, 16156590), (10, 12925272), (12, 10771060), (15, 8616848), (16, 8078295), (20, 6462636), (24, 5385530), (30, 4308424), (40, 3231318), (48, 2692765), (60, 2154212), (80, 1615659), (120, 1077106), (240, 538553)]