1213888980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{65053}}^1$

素因数の和:65376

約数の個数: 48

約数和(自身を含む): 3409870464

約数和(自身を除く): 2195981484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1244, 1555, 1866, 3110, 3732, 4665, 6220, 9330, 18660, 65053, 130106, 195159, 260212, 325265, 390318, 650530, 780636, 975795, 1301060, 1951590, 3903180, 20231483, 40462966, 60694449, 80925932, 101157415, 121388898, 202314830, 242777796, 303472245, 404629660, 606944490, 1213888980]

約数ペア:

[(1, 1213888980), (2, 606944490), (3, 404629660), (4, 303472245), (5, 242777796), (6, 202314830), (10, 121388898), (12, 101157415), (15, 80925932), (20, 60694449), (30, 40462966), (60, 20231483), (311, 3903180), (622, 1951590), (933, 1301060), (1244, 975795), (1555, 780636), (1866, 650530), (3110, 390318), (3732, 325265), (4665, 260212), (6220, 195159), (9330, 130106), (18660, 65053)]