207811260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26849}}^1$

素因数の和:26907

約数の個数: 72

約数和(自身を含む): 645044400

約数和(自身を除く): 437233140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 26849, 53698, 80547, 107396, 134245, 161094, 241641, 268490, 322188, 402735, 483282, 536980, 805470, 966564, 1154507, 1208205, 1610940, 2309014, 2416410, 3463521, 4618028, 4832820, 5772535, 6927042, 10390563, 11545070, 13854084, 17317605, 20781126, 23090140, 34635210, 41562252, 51952815, 69270420, 103905630, 207811260]

約数ペア:

[(1, 207811260), (2, 103905630), (3, 69270420), (4, 51952815), (5, 41562252), (6, 34635210), (9, 23090140), (10, 20781126), (12, 17317605), (15, 13854084), (18, 11545070), (20, 10390563), (30, 6927042), (36, 5772535), (43, 4832820), (45, 4618028), (60, 3463521), (86, 2416410), (90, 2309014), (129, 1610940), (172, 1208205), (180, 1154507), (215, 966564), (258, 805470), (387, 536980), (430, 483282), (516, 402735), (645, 322188), (774, 268490), (860, 241641), (1290, 161094), (1548, 134245), (1935, 107396), (2580, 80547), (3870, 53698), (7740, 26849)]