1280451180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{135929}}^1$

素因数の和:136098

約数の個数: 48

約数和(自身を含む): 3608125920

約数和(自身を除く): 2327674740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 135929, 271858, 407787, 543716, 679645, 815574, 1359290, 1631148, 2038935, 2718580, 4077870, 8155740, 21340853, 42681706, 64022559, 85363412, 106704265, 128045118, 213408530, 256090236, 320112795, 426817060, 640225590, 1280451180]

約数ペア:

[(1, 1280451180), (2, 640225590), (3, 426817060), (4, 320112795), (5, 256090236), (6, 213408530), (10, 128045118), (12, 106704265), (15, 85363412), (20, 64022559), (30, 42681706), (60, 21340853), (157, 8155740), (314, 4077870), (471, 2718580), (628, 2038935), (785, 1631148), (942, 1359290), (1570, 815574), (1884, 679645), (2355, 543716), (3140, 407787), (4710, 271858), (9420, 135929)]