131621520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{548423}}^1$

素因数の和:548439

約数の個数: 40

約数和(自身を含む): 408027456

約数和(自身を除く): 276405936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 548423, 1096846, 1645269, 2193692, 2742115, 3290538, 4387384, 5484230, 6581076, 8226345, 8774768, 10968460, 13162152, 16452690, 21936920, 26324304, 32905380, 43873840, 65810760, 131621520]

約数ペア:

[(1, 131621520), (2, 65810760), (3, 43873840), (4, 32905380), (5, 26324304), (6, 21936920), (8, 16452690), (10, 13162152), (12, 10968460), (15, 8774768), (16, 8226345), (20, 6581076), (24, 5484230), (30, 4387384), (40, 3290538), (48, 2742115), (60, 2193692), (80, 1645269), (120, 1096846), (240, 548423)]