55015020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{305639}}^1$

素因数の和:305654

約数の個数: 36

約数和(自身を含む): 166879440

約数和(自身を除く): 111864420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 305639, 611278, 916917, 1222556, 1528195, 1833834, 2750751, 3056390, 3667668, 4584585, 5501502, 6112780, 9169170, 11003004, 13753755, 18338340, 27507510, 55015020]

約数ペア:

[(1, 55015020), (2, 27507510), (3, 18338340), (4, 13753755), (5, 11003004), (6, 9169170), (9, 6112780), (10, 5501502), (12, 4584585), (15, 3667668), (18, 3056390), (20, 2750751), (30, 1833834), (36, 1528195), (45, 1222556), (60, 916917), (90, 611278), (180, 305639)]