256759320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2139661}}^1$

素因数の和:2139675

約数の個数: 32

約数和(自身を含む): 770278320

約数和(自身を除く): 513519000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2139661, 4279322, 6418983, 8558644, 10698305, 12837966, 17117288, 21396610, 25675932, 32094915, 42793220, 51351864, 64189830, 85586440, 128379660, 256759320]

約数ペア:

[(1, 256759320), (2, 128379660), (3, 85586440), (4, 64189830), (5, 51351864), (6, 42793220), (8, 32094915), (10, 25675932), (12, 21396610), (15, 17117288), (20, 12837966), (24, 10698305), (30, 8558644), (40, 6418983), (60, 4279322), (120, 2139661)]