389040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1621}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 1206768

約数和(自身を除く): 817728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1621, 3242, 4863, 6484, 8105, 9726, 12968, 16210, 19452, 24315, 25936, 32420, 38904, 48630, 64840, 77808, 97260, 129680, 194520, 389040]

約数ペア:

[(1, 389040), (2, 194520), (3, 129680), (4, 97260), (5, 77808), (6, 64840), (8, 48630), (10, 38904), (12, 32420), (15, 25936), (16, 24315), (20, 19452), (24, 16210), (30, 12968), (40, 9726), (48, 8105), (60, 6484), (80, 4863), (120, 3242), (240, 1621)]