138451440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{576881}}^1$

素因数の和:576897

約数の個数: 40

約数和(自身を含む): 429200208

約数和(自身を除く): 290748768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 576881, 1153762, 1730643, 2307524, 2884405, 3461286, 4615048, 5768810, 6922572, 8653215, 9230096, 11537620, 13845144, 17306430, 23075240, 27690288, 34612860, 46150480, 69225720, 138451440]

約数ペア:

[(1, 138451440), (2, 69225720), (3, 46150480), (4, 34612860), (5, 27690288), (6, 23075240), (8, 17306430), (10, 13845144), (12, 11537620), (15, 9230096), (16, 8653215), (20, 6922572), (24, 5768810), (30, 4615048), (40, 3461286), (48, 2884405), (60, 2307524), (80, 1730643), (120, 1153762), (240, 576881)]