12720420864

素因数分解:

$2^{11}\times 3^2\times {\mathrm{690127}}^1$

素因数の和:690155

約数の個数: 72

約数和(自身を含む): 36738964080

約数和(自身を除く): 24018543216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4608, 6144, 9216, 18432, 690127, 1380254, 2070381, 2760508, 4140762, 5521016, 6211143, 8281524, 11042032, 12422286, 16563048, 22084064, 24844572, 33126096, 44168128, 49689144, 66252192, 88336256, 99378288, 132504384, 176672512, 198756576, 265008768, 353345024, 397513152, 530017536, 706690048, 795026304, 1060035072, 1413380096, 1590052608, 2120070144, 3180105216, 4240140288, 6360210432, 12720420864]

約数ペア:

[(1, 12720420864), (2, 6360210432), (3, 4240140288), (4, 3180105216), (6, 2120070144), (8, 1590052608), (9, 1413380096), (12, 1060035072), (16, 795026304), (18, 706690048), (24, 530017536), (32, 397513152), (36, 353345024), (48, 265008768), (64, 198756576), (72, 176672512), (96, 132504384), (128, 99378288), (144, 88336256), (192, 66252192), (256, 49689144), (288, 44168128), (384, 33126096), (512, 24844572), (576, 22084064), (768, 16563048), (1024, 12422286), (1152, 11042032), (1536, 8281524), (2048, 6211143), (2304, 5521016), (3072, 4140762), (4608, 2760508), (6144, 2070381), (9216, 1380254), (18432, 690127)]