68728480

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4253}}^1$

素因数の和:4369

約数の個数: 48

約数和(自身を含む): 164017224

約数和(自身を除く): 95288744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4253, 8080, 8506, 16160, 17012, 21265, 34024, 42530, 68048, 85060, 136096, 170120, 340240, 429553, 680480, 859106, 1718212, 2147765, 3436424, 4295530, 6872848, 8591060, 13745696, 17182120, 34364240, 68728480]

約数ペア:

[(1, 68728480), (2, 34364240), (4, 17182120), (5, 13745696), (8, 8591060), (10, 6872848), (16, 4295530), (20, 3436424), (32, 2147765), (40, 1718212), (80, 859106), (101, 680480), (160, 429553), (202, 340240), (404, 170120), (505, 136096), (808, 85060), (1010, 68048), (1616, 42530), (2020, 34024), (3232, 21265), (4040, 17012), (4253, 16160), (8080, 8506)]