80337780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1949}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 244881000

約数和(自身を除く): 164543220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 1949, 2061, 2290, 2748, 3435, 3898, 4122, 4580, 5847, 6870, 7796, 8244, 9745, 10305, 11694, 13740, 17541, 19490, 20610, 23388, 29235, 35082, 38980, 41220, 58470, 70164, 87705, 116940, 175410, 350820, 446321, 892642, 1338963, 1785284, 2231605, 2677926, 4016889, 4463210, 5355852, 6694815, 8033778, 8926420, 13389630, 16067556, 20084445, 26779260, 40168890, 80337780]

約数ペア:

[(1, 80337780), (2, 40168890), (3, 26779260), (4, 20084445), (5, 16067556), (6, 13389630), (9, 8926420), (10, 8033778), (12, 6694815), (15, 5355852), (18, 4463210), (20, 4016889), (30, 2677926), (36, 2231605), (45, 1785284), (60, 1338963), (90, 892642), (180, 446321), (229, 350820), (458, 175410), (687, 116940), (916, 87705), (1145, 70164), (1374, 58470), (1949, 41220), (2061, 38980), (2290, 35082), (2748, 29235), (3435, 23388), (3898, 20610), (4122, 19490), (4580, 17541), (5847, 13740), (6870, 11694), (7796, 10305), (8244, 9745)]