78164940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186107}}^1$

素因数の和:186126

約数の個数: 48

約数和(自身を含む): 250129152

約数和(自身を除く): 171964212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186107, 372214, 558321, 744428, 930535, 1116642, 1302749, 1861070, 2233284, 2605498, 2791605, 3722140, 3908247, 5210996, 5583210, 6513745, 7816494, 11166420, 13027490, 15632988, 19541235, 26054980, 39082470, 78164940]

約数ペア:

[(1, 78164940), (2, 39082470), (3, 26054980), (4, 19541235), (5, 15632988), (6, 13027490), (7, 11166420), (10, 7816494), (12, 6513745), (14, 5583210), (15, 5210996), (20, 3908247), (21, 3722140), (28, 2791605), (30, 2605498), (35, 2233284), (42, 1861070), (60, 1302749), (70, 1116642), (84, 930535), (105, 744428), (140, 558321), (210, 372214), (420, 186107)]