78190020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{434389}}^1$

素因数の和:434404

約数の個数: 36

約数和(自身を含む): 237176940

約数和(自身を除く): 158986920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 434389, 868778, 1303167, 1737556, 2171945, 2606334, 3909501, 4343890, 5212668, 6515835, 7819002, 8687780, 13031670, 15638004, 19547505, 26063340, 39095010, 78190020]

約数ペア:

[(1, 78190020), (2, 39095010), (3, 26063340), (4, 19547505), (5, 15638004), (6, 13031670), (9, 8687780), (10, 7819002), (12, 6515835), (15, 5212668), (18, 4343890), (20, 3909501), (30, 2606334), (36, 2171945), (45, 1737556), (60, 1303167), (90, 868778), (180, 434389)]