51331440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213881}}^1$

素因数の和:213897

約数の個数: 40

約数和(自身を含む): 159128208

約数和(自身を除く): 107796768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213881, 427762, 641643, 855524, 1069405, 1283286, 1711048, 2138810, 2566572, 3208215, 3422096, 4277620, 5133144, 6416430, 8555240, 10266288, 12832860, 17110480, 25665720, 51331440]

約数ペア:

[(1, 51331440), (2, 25665720), (3, 17110480), (4, 12832860), (5, 10266288), (6, 8555240), (8, 6416430), (10, 5133144), (12, 4277620), (15, 3422096), (16, 3208215), (20, 2566572), (24, 2138810), (30, 1711048), (40, 1283286), (48, 1069405), (60, 855524), (80, 641643), (120, 427762), (240, 213881)]