68817560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35111}}^1$

素因数の和:35136

約数の個数: 48

約数和(自身を含む): 180124560

約数和(自身を除く): 111307000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 35111, 70222, 140444, 175555, 245777, 280888, 351110, 491554, 702220, 983108, 1228885, 1404440, 1720439, 1966216, 2457770, 3440878, 4915540, 6881756, 8602195, 9831080, 13763512, 17204390, 34408780, 68817560]

約数ペア:

[(1, 68817560), (2, 34408780), (4, 17204390), (5, 13763512), (7, 9831080), (8, 8602195), (10, 6881756), (14, 4915540), (20, 3440878), (28, 2457770), (35, 1966216), (40, 1720439), (49, 1404440), (56, 1228885), (70, 983108), (98, 702220), (140, 491554), (196, 351110), (245, 280888), (280, 245777), (392, 175555), (490, 140444), (980, 70222), (1960, 35111)]