2838780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 10106880

約数和(自身を除く): 7268100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 751, 756, 945, 1260, 1502, 1890, 2253, 3004, 3755, 3780, 4506, 5257, 6759, 7510, 9012, 10514, 11265, 13518, 15020, 15771, 20277, 21028, 22530, 26285, 27036, 31542, 33795, 40554, 45060, 47313, 52570, 63084, 67590, 78855, 81108, 94626, 101385, 105140, 135180, 141939, 157710, 189252, 202770, 236565, 283878, 315420, 405540, 473130, 567756, 709695, 946260, 1419390, 2838780]

約数ペア:

[(1, 2838780), (2, 1419390), (3, 946260), (4, 709695), (5, 567756), (6, 473130), (7, 405540), (9, 315420), (10, 283878), (12, 236565), (14, 202770), (15, 189252), (18, 157710), (20, 141939), (21, 135180), (27, 105140), (28, 101385), (30, 94626), (35, 81108), (36, 78855), (42, 67590), (45, 63084), (54, 52570), (60, 47313), (63, 45060), (70, 40554), (84, 33795), (90, 31542), (105, 27036), (108, 26285), (126, 22530), (135, 21028), (140, 20277), (180, 15771), (189, 15020), (210, 13518), (252, 11265), (270, 10514), (315, 9012), (378, 7510), (420, 6759), (540, 5257), (630, 4506), (751, 3780), (756, 3755), (945, 3004), (1260, 2253), (1502, 1890)]