123020240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219679}}^1$

素因数の和:219699

約数の個数: 40

約数和(自身を含む): 326883840

約数和(自身を除く): 203863600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219679, 439358, 878716, 1098395, 1537753, 1757432, 2196790, 3075506, 3514864, 4393580, 6151012, 7688765, 8787160, 12302024, 15377530, 17574320, 24604048, 30755060, 61510120, 123020240]

約数ペア:

[(1, 123020240), (2, 61510120), (4, 30755060), (5, 24604048), (7, 17574320), (8, 15377530), (10, 12302024), (14, 8787160), (16, 7688765), (20, 6151012), (28, 4393580), (35, 3514864), (40, 3075506), (56, 2196790), (70, 1757432), (80, 1537753), (112, 1098395), (140, 878716), (280, 439358), (560, 219679)]