28485240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33911}}^1$

素因数の和:33932

約数の個数: 64

約数和(自身を含む): 97666560

約数和(自身を除く): 69181320

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, 33911, 67822, 101733, 135644, 169555, 203466, 237377, 271288, 339110, 406932, 474754, 508665, 678220, 712131, 813864, 949508, 1017330, 1186885, 1356440, 1424262, 1899016, 2034660, 2373770, 2848524, 3560655, 4069320, 4747540, 5697048, 7121310, 9495080, 14242620, 28485240]

約数ペア:

[(1, 28485240), (2, 14242620), (3, 9495080), (4, 7121310), (5, 5697048), (6, 4747540), (7, 4069320), (8, 3560655), (10, 2848524), (12, 2373770), (14, 2034660), (15, 1899016), (20, 1424262), (21, 1356440), (24, 1186885), (28, 1017330), (30, 949508), (35, 813864), (40, 712131), (42, 678220), (56, 508665), (60, 474754), (70, 406932), (84, 339110), (105, 271288), (120, 237377), (140, 203466), (168, 169555), (210, 135644), (280, 101733), (420, 67822), (840, 33911)]