15490720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13831}}^1$

素因数の和:13853

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 26337248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 13831, 27662, 55324, 69155, 96817, 110648, 138310, 193634, 221296, 276620, 387268, 442592, 484085, 553240, 774536, 968170, 1106480, 1549072, 1936340, 2212960, 3098144, 3872680, 7745360, 15490720]

約数ペア:

[(1, 15490720), (2, 7745360), (4, 3872680), (5, 3098144), (7, 2212960), (8, 1936340), (10, 1549072), (14, 1106480), (16, 968170), (20, 774536), (28, 553240), (32, 484085), (35, 442592), (40, 387268), (56, 276620), (70, 221296), (80, 193634), (112, 138310), (140, 110648), (160, 96817), (224, 69155), (280, 55324), (560, 27662), (1120, 13831)]