28261320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5534

約数の個数: 64

約数和(自身を含む): 86771520

約数和(自身を除く): 58510200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5477, 10954, 16431, 21908, 27385, 32862, 43816, 54770, 65724, 82155, 109540, 131448, 164310, 219080, 235511, 328620, 471022, 657240, 706533, 942044, 1177555, 1413066, 1884088, 2355110, 2826132, 3532665, 4710220, 5652264, 7065330, 9420440, 14130660, 28261320]

約数ペア:

[(1, 28261320), (2, 14130660), (3, 9420440), (4, 7065330), (5, 5652264), (6, 4710220), (8, 3532665), (10, 2826132), (12, 2355110), (15, 1884088), (20, 1413066), (24, 1177555), (30, 942044), (40, 706533), (43, 657240), (60, 471022), (86, 328620), (120, 235511), (129, 219080), (172, 164310), (215, 131448), (258, 109540), (344, 82155), (430, 65724), (516, 54770), (645, 43816), (860, 32862), (1032, 27385), (1290, 21908), (1720, 16431), (2580, 10954), (5160, 5477)]