217437960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1811983}}^1$

素因数の和:1811997

約数の個数: 32

約数和(自身を含む): 652314240

約数和(自身を除く): 434876280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1811983, 3623966, 5435949, 7247932, 9059915, 10871898, 14495864, 18119830, 21743796, 27179745, 36239660, 43487592, 54359490, 72479320, 108718980, 217437960]

約数ペア:

[(1, 217437960), (2, 108718980), (3, 72479320), (4, 54359490), (5, 43487592), (6, 36239660), (8, 27179745), (10, 21743796), (12, 18119830), (15, 14495864), (20, 10871898), (24, 9059915), (30, 7247932), (40, 5435949), (60, 3623966), (120, 1811983)]