28378620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52553}}^1$

素因数の和:52571

約数の個数: 48

約数和(自身を含む): 88290720

約数和(自身を除く): 59912100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52553, 105106, 157659, 210212, 262765, 315318, 472977, 525530, 630636, 788295, 945954, 1051060, 1418931, 1576590, 1891908, 2364885, 2837862, 3153180, 4729770, 5675724, 7094655, 9459540, 14189310, 28378620]

約数ペア:

[(1, 28378620), (2, 14189310), (3, 9459540), (4, 7094655), (5, 5675724), (6, 4729770), (9, 3153180), (10, 2837862), (12, 2364885), (15, 1891908), (18, 1576590), (20, 1418931), (27, 1051060), (30, 945954), (36, 788295), (45, 630636), (54, 525530), (60, 472977), (90, 315318), (108, 262765), (135, 210212), (180, 157659), (270, 105106), (540, 52553)]