21968280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20341}}^1$

素因数の和:20361

約数の個数: 64

約数和(自身を含む): 73231200

約数和(自身を除く): 51262920

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, 20341, 40682, 61023, 81364, 101705, 122046, 162728, 183069, 203410, 244092, 305115, 366138, 406820, 488184, 549207, 610230, 732276, 813640, 915345, 1098414, 1220460, 1464552, 1830690, 2196828, 2440920, 2746035, 3661380, 4393656, 5492070, 7322760, 10984140, 21968280]

約数ペア:

[(1, 21968280), (2, 10984140), (3, 7322760), (4, 5492070), (5, 4393656), (6, 3661380), (8, 2746035), (9, 2440920), (10, 2196828), (12, 1830690), (15, 1464552), (18, 1220460), (20, 1098414), (24, 915345), (27, 813640), (30, 732276), (36, 610230), (40, 549207), (45, 488184), (54, 406820), (60, 366138), (72, 305115), (90, 244092), (108, 203410), (120, 183069), (135, 162728), (180, 122046), (216, 101705), (270, 81364), (360, 61023), (540, 40682), (1080, 20341)]