123689040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515371}}^1$

素因数の和:515387

約数の個数: 40

約数和(自身を含む): 383436768

約数和(自身を除く): 259747728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515371, 1030742, 1546113, 2061484, 2576855, 3092226, 4122968, 5153710, 6184452, 7730565, 8245936, 10307420, 12368904, 15461130, 20614840, 24737808, 30922260, 41229680, 61844520, 123689040]

約数ペア:

[(1, 123689040), (2, 61844520), (3, 41229680), (4, 30922260), (5, 24737808), (6, 20614840), (8, 15461130), (10, 12368904), (12, 10307420), (15, 8245936), (16, 7730565), (20, 6184452), (24, 5153710), (30, 4122968), (40, 3092226), (48, 2576855), (60, 2061484), (80, 1546113), (120, 1030742), (240, 515371)]