257093520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1071223}}^1$

素因数の和:1071239

約数の個数: 40

約数和(自身を含む): 796990656

約数和(自身を除く): 539897136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1071223, 2142446, 3213669, 4284892, 5356115, 6427338, 8569784, 10712230, 12854676, 16068345, 17139568, 21424460, 25709352, 32136690, 42848920, 51418704, 64273380, 85697840, 128546760, 257093520]

約数ペア:

[(1, 257093520), (2, 128546760), (3, 85697840), (4, 64273380), (5, 51418704), (6, 42848920), (8, 32136690), (10, 25709352), (12, 21424460), (15, 17139568), (16, 16068345), (20, 12854676), (24, 10712230), (30, 8569784), (40, 6427338), (48, 5356115), (60, 4284892), (80, 3213669), (120, 2142446), (240, 1071223)]