220640040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{612889}}^1$

素因数の和:612906

約数の個数: 48

約数和(自身を含む): 717081300

約数和(自身を除く): 496441260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 612889, 1225778, 1838667, 2451556, 3064445, 3677334, 4903112, 5516001, 6128890, 7354668, 9193335, 11032002, 12257780, 14709336, 18386670, 22064004, 24515560, 27580005, 36773340, 44128008, 55160010, 73546680, 110320020, 220640040]

約数ペア:

[(1, 220640040), (2, 110320020), (3, 73546680), (4, 55160010), (5, 44128008), (6, 36773340), (8, 27580005), (9, 24515560), (10, 22064004), (12, 18386670), (15, 14709336), (18, 12257780), (20, 11032002), (24, 9193335), (30, 7354668), (36, 6128890), (40, 5516001), (45, 4903112), (60, 3677334), (72, 3064445), (90, 2451556), (120, 1838667), (180, 1225778), (360, 612889)]