12820230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 33559344

約数和(自身を除く): 20739114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 787, 905, 1086, 1574, 1629, 1810, 2361, 2715, 3258, 3935, 4722, 5430, 7083, 7870, 8145, 11805, 14166, 16290, 23610, 35415, 70830, 142447, 284894, 427341, 712235, 854682, 1282023, 1424470, 2136705, 2564046, 4273410, 6410115, 12820230]

約数ペア:

[(1, 12820230), (2, 6410115), (3, 4273410), (5, 2564046), (6, 2136705), (9, 1424470), (10, 1282023), (15, 854682), (18, 712235), (30, 427341), (45, 284894), (90, 142447), (181, 70830), (362, 35415), (543, 23610), (787, 16290), (905, 14166), (1086, 11805), (1574, 8145), (1629, 7870), (1810, 7083), (2361, 5430), (2715, 4722), (3258, 3935)]