213654780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{395657}}^1$

素因数の和:395675

約数の個数: 48

約数和(自身を含む): 664705440

約数和(自身を除く): 451050660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 395657, 791314, 1186971, 1582628, 1978285, 2373942, 3560913, 3956570, 4747884, 5934855, 7121826, 7913140, 10682739, 11869710, 14243652, 17804565, 21365478, 23739420, 35609130, 42730956, 53413695, 71218260, 106827390, 213654780]

約数ペア:

[(1, 213654780), (2, 106827390), (3, 71218260), (4, 53413695), (5, 42730956), (6, 35609130), (9, 23739420), (10, 21365478), (12, 17804565), (15, 14243652), (18, 11869710), (20, 10682739), (27, 7913140), (30, 7121826), (36, 5934855), (45, 4747884), (54, 3956570), (60, 3560913), (90, 2373942), (108, 1978285), (135, 1582628), (180, 1186971), (270, 791314), (540, 395657)]