128812560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536719}}^1$

素因数の和:536735

約数の個数: 40

約数和(自身を含む): 399319680

約数和(自身を除く): 270507120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536719, 1073438, 1610157, 2146876, 2683595, 3220314, 4293752, 5367190, 6440628, 8050785, 8587504, 10734380, 12881256, 16101570, 21468760, 25762512, 32203140, 42937520, 64406280, 128812560]

約数ペア:

[(1, 128812560), (2, 64406280), (3, 42937520), (4, 32203140), (5, 25762512), (6, 21468760), (8, 16101570), (10, 12881256), (12, 10734380), (15, 8587504), (16, 8050785), (20, 6440628), (24, 5367190), (30, 4293752), (40, 3220314), (48, 2683595), (60, 2146876), (80, 1610157), (120, 1073438), (240, 536719)]