262557540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{208379}}^1$

素因数の和:208401

約数の個数: 72

約数和(自身を含む): 910203840

約数和(自身を除く): 647646300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 208379, 416758, 625137, 833516, 1041895, 1250274, 1458653, 1875411, 2083790, 2500548, 2917306, 3125685, 3750822, 4167580, 4375959, 5834612, 6251370, 7293265, 7501644, 8751918, 9377055, 12502740, 13127877, 14586530, 17503836, 18754110, 21879795, 26255754, 29173060, 37508220, 43759590, 52511508, 65639385, 87519180, 131278770, 262557540]

約数ペア:

[(1, 262557540), (2, 131278770), (3, 87519180), (4, 65639385), (5, 52511508), (6, 43759590), (7, 37508220), (9, 29173060), (10, 26255754), (12, 21879795), (14, 18754110), (15, 17503836), (18, 14586530), (20, 13127877), (21, 12502740), (28, 9377055), (30, 8751918), (35, 7501644), (36, 7293265), (42, 6251370), (45, 5834612), (60, 4375959), (63, 4167580), (70, 3750822), (84, 3125685), (90, 2917306), (105, 2500548), (126, 2083790), (140, 1875411), (180, 1458653), (210, 1250274), (252, 1041895), (315, 833516), (420, 625137), (630, 416758), (1260, 208379)]