218026440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{605629}}^1$

素因数の和:605646

約数の個数: 48

約数和(自身を含む): 708587100

約数和(自身を除く): 490560660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 605629, 1211258, 1816887, 2422516, 3028145, 3633774, 4845032, 5450661, 6056290, 7267548, 9084435, 10901322, 12112580, 14535096, 18168870, 21802644, 24225160, 27253305, 36337740, 43605288, 54506610, 72675480, 109013220, 218026440]

約数ペア:

[(1, 218026440), (2, 109013220), (3, 72675480), (4, 54506610), (5, 43605288), (6, 36337740), (8, 27253305), (9, 24225160), (10, 21802644), (12, 18168870), (15, 14535096), (18, 12112580), (20, 10901322), (24, 9084435), (30, 7267548), (36, 6056290), (40, 5450661), (45, 4845032), (60, 3633774), (72, 3028145), (90, 2422516), (120, 1816887), (180, 1211258), (360, 605629)]