19749960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18287}}^1$

素因数の和:18307

約数の個数: 64

約数和(自身を含む): 65836800

約数和(自身を除く): 46086840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18287, 36574, 54861, 73148, 91435, 109722, 146296, 164583, 182870, 219444, 274305, 329166, 365740, 438888, 493749, 548610, 658332, 731480, 822915, 987498, 1097220, 1316664, 1645830, 1974996, 2194440, 2468745, 3291660, 3949992, 4937490, 6583320, 9874980, 19749960]

約数ペア:

[(1, 19749960), (2, 9874980), (3, 6583320), (4, 4937490), (5, 3949992), (6, 3291660), (8, 2468745), (9, 2194440), (10, 1974996), (12, 1645830), (15, 1316664), (18, 1097220), (20, 987498), (24, 822915), (27, 731480), (30, 658332), (36, 548610), (40, 493749), (45, 438888), (54, 365740), (60, 329166), (72, 274305), (90, 219444), (108, 182870), (120, 164583), (135, 146296), (180, 109722), (216, 91435), (270, 73148), (360, 54861), (540, 36574), (1080, 18287)]