28399560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33809}}^1$

素因数の和:33830

約数の個数: 64

約数和(自身を含む): 97372800

約数和(自身を除く): 68973240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33809, 67618, 101427, 135236, 169045, 202854, 236663, 270472, 338090, 405708, 473326, 507135, 676180, 709989, 811416, 946652, 1014270, 1183315, 1352360, 1419978, 1893304, 2028540, 2366630, 2839956, 3549945, 4057080, 4733260, 5679912, 7099890, 9466520, 14199780, 28399560]

約数ペア:

[(1, 28399560), (2, 14199780), (3, 9466520), (4, 7099890), (5, 5679912), (6, 4733260), (7, 4057080), (8, 3549945), (10, 2839956), (12, 2366630), (14, 2028540), (15, 1893304), (20, 1419978), (21, 1352360), (24, 1183315), (28, 1014270), (30, 946652), (35, 811416), (40, 709989), (42, 676180), (56, 507135), (60, 473326), (70, 405708), (84, 338090), (105, 270472), (120, 236663), (140, 202854), (168, 169045), (210, 135236), (280, 101427), (420, 67618), (840, 33809)]