217947780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{403607}}^1$

素因数の和:403625

約数の個数: 48

約数和(自身を含む): 678061440

約数和(自身を除く): 460113660

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, 403607, 807214, 1210821, 1614428, 2018035, 2421642, 3632463, 4036070, 4843284, 6054105, 7264926, 8072140, 10897389, 12108210, 14529852, 18162315, 21794778, 24216420, 36324630, 43589556, 54486945, 72649260, 108973890, 217947780]

約数ペア:

[(1, 217947780), (2, 108973890), (3, 72649260), (4, 54486945), (5, 43589556), (6, 36324630), (9, 24216420), (10, 21794778), (12, 18162315), (15, 14529852), (18, 12108210), (20, 10897389), (27, 8072140), (30, 7264926), (36, 6054105), (45, 4843284), (54, 4036070), (60, 3632463), (90, 2421642), (108, 2018035), (135, 1614428), (180, 1210821), (270, 807214), (540, 403607)]