661650240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{689219}}^1$

素因数の和:689239

約数の個数: 56

約数和(自身を含む): 2100742560

約数和(自身を除く): 1439092320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 689219, 1378438, 2067657, 2756876, 3446095, 4135314, 5513752, 6892190, 8270628, 10338285, 11027504, 13784380, 16541256, 20676570, 22055008, 27568760, 33082512, 41353140, 44110016, 55137520, 66165024, 82706280, 110275040, 132330048, 165412560, 220550080, 330825120, 661650240]

約数ペア:

[(1, 661650240), (2, 330825120), (3, 220550080), (4, 165412560), (5, 132330048), (6, 110275040), (8, 82706280), (10, 66165024), (12, 55137520), (15, 44110016), (16, 41353140), (20, 33082512), (24, 27568760), (30, 22055008), (32, 20676570), (40, 16541256), (48, 13784380), (60, 11027504), (64, 10338285), (80, 8270628), (96, 6892190), (120, 5513752), (160, 4135314), (192, 3446095), (240, 2756876), (320, 2067657), (480, 1378438), (960, 689219)]