128741520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536423}}^1$

素因数の和:536439

約数の個数: 40

約数和(自身を含む): 399099456

約数和(自身を除く): 270357936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536423, 1072846, 1609269, 2145692, 2682115, 3218538, 4291384, 5364230, 6437076, 8046345, 8582768, 10728460, 12874152, 16092690, 21456920, 25748304, 32185380, 42913840, 64370760, 128741520]

約数ペア:

[(1, 128741520), (2, 64370760), (3, 42913840), (4, 32185380), (5, 25748304), (6, 21456920), (8, 16092690), (10, 12874152), (12, 10728460), (15, 8582768), (16, 8046345), (20, 6437076), (24, 5364230), (30, 4291384), (40, 3218538), (48, 2682115), (60, 2145692), (80, 1609269), (120, 1072846), (240, 536423)]