156905440

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18503}}^1$

素因数の和:18571

約数の個数: 48

約数和(自身を含む): 377703648

約数和(自身を除く): 220798208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 18503, 37006, 74012, 92515, 148024, 185030, 296048, 370060, 592096, 740120, 980659, 1480240, 1961318, 2960480, 3922636, 4903295, 7845272, 9806590, 15690544, 19613180, 31381088, 39226360, 78452720, 156905440]

約数ペア:

[(1, 156905440), (2, 78452720), (4, 39226360), (5, 31381088), (8, 19613180), (10, 15690544), (16, 9806590), (20, 7845272), (32, 4903295), (40, 3922636), (53, 2960480), (80, 1961318), (106, 1480240), (160, 980659), (212, 740120), (265, 592096), (424, 370060), (530, 296048), (848, 185030), (1060, 148024), (1696, 92515), (2120, 74012), (4240, 37006), (8480, 18503)]