66557960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237707}}^1$

素因数の和:237725

約数の個数: 32

約数和(自身を含む): 171149760

約数和(自身を除く): 104591800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237707, 475414, 950828, 1188535, 1663949, 1901656, 2377070, 3327898, 4754140, 6655796, 8319745, 9508280, 13311592, 16639490, 33278980, 66557960]

約数ペア:

[(1, 66557960), (2, 33278980), (4, 16639490), (5, 13311592), (7, 9508280), (8, 8319745), (10, 6655796), (14, 4754140), (20, 3327898), (28, 2377070), (35, 1901656), (40, 1663949), (56, 1188535), (70, 950828), (140, 475414), (280, 237707)]