537590820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{689219}}^1$

素因数の和:689244

約数の個数: 48

約数和(自身を含む): 1621045440

約数和(自身を除く): 1083454620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 689219, 1378438, 2067657, 2756876, 3446095, 4135314, 6892190, 8270628, 8959847, 10338285, 13784380, 17919694, 20676570, 26879541, 35839388, 41353140, 44799235, 53759082, 89598470, 107518164, 134397705, 179196940, 268795410, 537590820]

約数ペア:

[(1, 537590820), (2, 268795410), (3, 179196940), (4, 134397705), (5, 107518164), (6, 89598470), (10, 53759082), (12, 44799235), (13, 41353140), (15, 35839388), (20, 26879541), (26, 20676570), (30, 17919694), (39, 13784380), (52, 10338285), (60, 8959847), (65, 8270628), (78, 6892190), (130, 4135314), (156, 3446095), (195, 2756876), (260, 2067657), (390, 1378438), (780, 689219)]