128978688

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{8839}}^1$

素因数の和:8877

約数の個数: 72

約数和(自身を含む): 361379200

約数和(自身を除く): 232400512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1824, 2432, 3648, 4864, 7296, 8839, 14592, 17678, 26517, 35356, 53034, 70712, 106068, 141424, 167941, 212136, 282848, 335882, 424272, 503823, 565696, 671764, 848544, 1007646, 1131392, 1343528, 1697088, 2015292, 2262784, 2687056, 3394176, 4030584, 5374112, 6788352, 8061168, 10748224, 16122336, 21496448, 32244672, 42992896, 64489344, 128978688]

約数ペア:

[(1, 128978688), (2, 64489344), (3, 42992896), (4, 32244672), (6, 21496448), (8, 16122336), (12, 10748224), (16, 8061168), (19, 6788352), (24, 5374112), (32, 4030584), (38, 3394176), (48, 2687056), (57, 2262784), (64, 2015292), (76, 1697088), (96, 1343528), (114, 1131392), (128, 1007646), (152, 848544), (192, 671764), (228, 565696), (256, 503823), (304, 424272), (384, 335882), (456, 282848), (608, 212136), (768, 167941), (912, 141424), (1216, 106068), (1824, 70712), (2432, 53034), (3648, 35356), (4864, 26517), (7296, 17678), (8839, 14592)]