20151489780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111952721}}^1$

素因数の和:111952736

約数の個数: 36

約数和(自身を含む): 61126186212

約数和(自身を除く): 40974696432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111952721, 223905442, 335858163, 447810884, 559763605, 671716326, 1007574489, 1119527210, 1343432652, 1679290815, 2015148978, 2239054420, 3358581630, 4030297956, 5037872445, 6717163260, 10075744890, 20151489780]

約数ペア:

[(1, 20151489780), (2, 10075744890), (3, 6717163260), (4, 5037872445), (5, 4030297956), (6, 3358581630), (9, 2239054420), (10, 2015148978), (12, 1679290815), (15, 1343432652), (18, 1119527210), (20, 1007574489), (30, 671716326), (36, 559763605), (45, 447810884), (60, 335858163), (90, 223905442), (180, 111952721)]