1280996820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7116649}}^1$

素因数の和:7116664

約数の個数: 36

約数和(自身を含む): 3885690900

約数和(自身を除く): 2604694080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7116649, 14233298, 21349947, 28466596, 35583245, 42699894, 64049841, 71166490, 85399788, 106749735, 128099682, 142332980, 213499470, 256199364, 320249205, 426998940, 640498410, 1280996820]

約数ペア:

[(1, 1280996820), (2, 640498410), (3, 426998940), (4, 320249205), (5, 256199364), (6, 213499470), (9, 142332980), (10, 128099682), (12, 106749735), (15, 85399788), (18, 71166490), (20, 64049841), (30, 42699894), (36, 35583245), (45, 28466596), (60, 21349947), (90, 14233298), (180, 7116649)]