87668820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487049}}^1$

素因数の和:487064

約数の個数: 36

約数和(自身を含む): 265929300

約数和(自身を除く): 178260480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487049, 974098, 1461147, 1948196, 2435245, 2922294, 4383441, 4870490, 5844588, 7305735, 8766882, 9740980, 14611470, 17533764, 21917205, 29222940, 43834410, 87668820]

約数ペア:

[(1, 87668820), (2, 43834410), (3, 29222940), (4, 21917205), (5, 17533764), (6, 14611470), (9, 9740980), (10, 8766882), (12, 7305735), (15, 5844588), (18, 4870490), (20, 4383441), (30, 2922294), (36, 2435245), (45, 1948196), (60, 1461147), (90, 974098), (180, 487049)]