72110920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257539}}^1$

素因数の和:257557

約数の個数: 32

約数和(自身を含む): 185428800

約数和(自身を除く): 113317880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257539, 515078, 1030156, 1287695, 1802773, 2060312, 2575390, 3605546, 5150780, 7211092, 9013865, 10301560, 14422184, 18027730, 36055460, 72110920]

約数ペア:

[(1, 72110920), (2, 36055460), (4, 18027730), (5, 14422184), (7, 10301560), (8, 9013865), (10, 7211092), (14, 5150780), (20, 3605546), (28, 2575390), (35, 2060312), (40, 1802773), (56, 1287695), (70, 1030156), (140, 515078), (280, 257539)]