28128030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7879}}^1$

素因数の和:7913

約数の個数: 64

約数和(自身を含む): 81699840

約数和(自身を除く): 53571810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 7879, 15758, 23637, 39395, 47274, 55153, 78790, 110306, 118185, 133943, 165459, 236370, 267886, 275765, 330918, 401829, 551530, 669715, 803658, 827295, 937601, 1339430, 1654590, 1875202, 2009145, 2812803, 4018290, 4688005, 5625606, 9376010, 14064015, 28128030]

約数ペア:

[(1, 28128030), (2, 14064015), (3, 9376010), (5, 5625606), (6, 4688005), (7, 4018290), (10, 2812803), (14, 2009145), (15, 1875202), (17, 1654590), (21, 1339430), (30, 937601), (34, 827295), (35, 803658), (42, 669715), (51, 551530), (70, 401829), (85, 330918), (102, 275765), (105, 267886), (119, 236370), (170, 165459), (210, 133943), (238, 118185), (255, 110306), (357, 78790), (510, 55153), (595, 47274), (714, 39395), (1190, 23637), (1785, 15758), (3570, 7879)]