218420820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404483}}^1$

素因数の和:404501

約数の個数: 48

約数和(自身を含む): 679533120

約数和(自身を除く): 461112300

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, 404483, 808966, 1213449, 1617932, 2022415, 2426898, 3640347, 4044830, 4853796, 6067245, 7280694, 8089660, 10921041, 12134490, 14561388, 18201735, 21842082, 24268980, 36403470, 43684164, 54605205, 72806940, 109210410, 218420820]

約数ペア:

[(1, 218420820), (2, 109210410), (3, 72806940), (4, 54605205), (5, 43684164), (6, 36403470), (9, 24268980), (10, 21842082), (12, 18201735), (15, 14561388), (18, 12134490), (20, 10921041), (27, 8089660), (30, 7280694), (36, 6067245), (45, 4853796), (54, 4044830), (60, 3640347), (90, 2426898), (108, 2022415), (135, 1617932), (180, 1213449), (270, 808966), (540, 404483)]