28161240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 85298400

約数和(自身を除く): 57137160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2153, 2180, 2616, 3270, 4306, 4360, 6459, 6540, 8612, 10765, 12918, 13080, 17224, 21530, 25836, 32295, 43060, 51672, 64590, 86120, 129180, 234677, 258360, 469354, 704031, 938708, 1173385, 1408062, 1877416, 2346770, 2816124, 3520155, 4693540, 5632248, 7040310, 9387080, 14080620, 28161240]

約数ペア:

[(1, 28161240), (2, 14080620), (3, 9387080), (4, 7040310), (5, 5632248), (6, 4693540), (8, 3520155), (10, 2816124), (12, 2346770), (15, 1877416), (20, 1408062), (24, 1173385), (30, 938708), (40, 704031), (60, 469354), (109, 258360), (120, 234677), (218, 129180), (327, 86120), (436, 64590), (545, 51672), (654, 43060), (872, 32295), (1090, 25836), (1308, 21530), (1635, 17224), (2153, 13080), (2180, 12918), (2616, 10765), (3270, 8612), (4306, 6540), (4360, 6459)]