218026980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1211261}}^1$

素因数の和:1211276

約数の個数: 36

約数和(自身を含む): 661349052

約数和(自身を除く): 443322072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1211261, 2422522, 3633783, 4845044, 6056305, 7267566, 10901349, 12112610, 14535132, 18168915, 21802698, 24225220, 36337830, 43605396, 54506745, 72675660, 109013490, 218026980]

約数ペア:

[(1, 218026980), (2, 109013490), (3, 72675660), (4, 54506745), (5, 43605396), (6, 36337830), (9, 24225220), (10, 21802698), (12, 18168915), (15, 14535132), (18, 12112610), (20, 10901349), (30, 7267566), (36, 6056305), (45, 4845044), (60, 3633783), (90, 2422522), (180, 1211261)]