128668020160

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{915917}}^1$

素因数の和:916373

約数の個数: 56

約数和(自身を含む): 307088987040

約数和(自身を除く): 178420966880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 28096, 35120, 70240, 140480, 915917, 1831834, 3663668, 4579585, 7327336, 9159170, 14654672, 18318340, 29309344, 36636680, 58618688, 73273360, 146546720, 293093440, 402087563, 804175126, 1608350252, 2010437815, 3216700504, 4020875630, 6433401008, 8041751260, 12866802016, 16083502520, 25733604032, 32167005040, 64334010080, 128668020160]

約数ペア:

[(1, 128668020160), (2, 64334010080), (4, 32167005040), (5, 25733604032), (8, 16083502520), (10, 12866802016), (16, 8041751260), (20, 6433401008), (32, 4020875630), (40, 3216700504), (64, 2010437815), (80, 1608350252), (160, 804175126), (320, 402087563), (439, 293093440), (878, 146546720), (1756, 73273360), (2195, 58618688), (3512, 36636680), (4390, 29309344), (7024, 18318340), (8780, 14654672), (14048, 9159170), (17560, 7327336), (28096, 4579585), (35120, 3663668), (70240, 1831834), (140480, 915917)]