28384440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33791}}^1$

素因数の和:33812

約数の個数: 64

約数和(自身を含む): 97320960

約数和(自身を除く): 68936520

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, 33791, 67582, 101373, 135164, 168955, 202746, 236537, 270328, 337910, 405492, 473074, 506865, 675820, 709611, 810984, 946148, 1013730, 1182685, 1351640, 1419222, 1892296, 2027460, 2365370, 2838444, 3548055, 4054920, 4730740, 5676888, 7096110, 9461480, 14192220, 28384440]

約数ペア:

[(1, 28384440), (2, 14192220), (3, 9461480), (4, 7096110), (5, 5676888), (6, 4730740), (7, 4054920), (8, 3548055), (10, 2838444), (12, 2365370), (14, 2027460), (15, 1892296), (20, 1419222), (21, 1351640), (24, 1182685), (28, 1013730), (30, 946148), (35, 810984), (40, 709611), (42, 675820), (56, 506865), (60, 473074), (70, 405492), (84, 337910), (105, 270328), (120, 236537), (140, 202746), (168, 168955), (210, 135164), (280, 101373), (420, 67582), (840, 33791)]