221027280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{920947}}^1$

素因数の和:920963

約数の個数: 40

約数和(自身を含む): 685185312

約数和(自身を除く): 464158032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 920947, 1841894, 2762841, 3683788, 4604735, 5525682, 7367576, 9209470, 11051364, 13814205, 14735152, 18418940, 22102728, 27628410, 36837880, 44205456, 55256820, 73675760, 110513640, 221027280]

約数ペア:

[(1, 221027280), (2, 110513640), (3, 73675760), (4, 55256820), (5, 44205456), (6, 36837880), (8, 27628410), (10, 22102728), (12, 18418940), (15, 14735152), (16, 13814205), (20, 11051364), (24, 9209470), (30, 7367576), (40, 5525682), (48, 4604735), (60, 3683788), (80, 2762841), (120, 1841894), (240, 920947)]