2158291260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{278849}}^1$

素因数の和:278907

約数の個数: 72

約数和(自身を含む): 6699092400

約数和(自身を除く): 4540801140

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, 278849, 557698, 836547, 1115396, 1394245, 1673094, 2509641, 2788490, 3346188, 4182735, 5019282, 5576980, 8365470, 10038564, 11990507, 12548205, 16730940, 23981014, 25096410, 35971521, 47962028, 50192820, 59952535, 71943042, 107914563, 119905070, 143886084, 179857605, 215829126, 239810140, 359715210, 431658252, 539572815, 719430420, 1079145630, 2158291260]

約数ペア:

[(1, 2158291260), (2, 1079145630), (3, 719430420), (4, 539572815), (5, 431658252), (6, 359715210), (9, 239810140), (10, 215829126), (12, 179857605), (15, 143886084), (18, 119905070), (20, 107914563), (30, 71943042), (36, 59952535), (43, 50192820), (45, 47962028), (60, 35971521), (86, 25096410), (90, 23981014), (129, 16730940), (172, 12548205), (180, 11990507), (215, 10038564), (258, 8365470), (387, 5576980), (430, 5019282), (516, 4182735), (645, 3346188), (774, 2788490), (860, 2509641), (1290, 1673094), (1548, 1394245), (1935, 1115396), (2580, 836547), (3870, 557698), (7740, 278849)]