64623440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115399}}^1$

素因数の和:115419

約数の個数: 40

約数和(自身を含む): 171715200

約数和(自身を除く): 107091760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115399, 230798, 461596, 576995, 807793, 923192, 1153990, 1615586, 1846384, 2307980, 3231172, 4038965, 4615960, 6462344, 8077930, 9231920, 12924688, 16155860, 32311720, 64623440]

約数ペア:

[(1, 64623440), (2, 32311720), (4, 16155860), (5, 12924688), (7, 9231920), (8, 8077930), (10, 6462344), (14, 4615960), (16, 4038965), (20, 3231172), (28, 2307980), (35, 1846384), (40, 1615586), (56, 1153990), (70, 923192), (80, 807793), (112, 576995), (140, 461596), (280, 230798), (560, 115399)]