28847340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17807}}^1$

素因数の和:17828

約数の個数: 60

約数和(自身を含む): 90500256

約数和(自身を除く): 61652916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17807, 35614, 53421, 71228, 89035, 106842, 160263, 178070, 213684, 267105, 320526, 356140, 480789, 534210, 641052, 801315, 961578, 1068420, 1442367, 1602630, 1923156, 2403945, 2884734, 3205260, 4807890, 5769468, 7211835, 9615780, 14423670, 28847340]

約数ペア:

[(1, 28847340), (2, 14423670), (3, 9615780), (4, 7211835), (5, 5769468), (6, 4807890), (9, 3205260), (10, 2884734), (12, 2403945), (15, 1923156), (18, 1602630), (20, 1442367), (27, 1068420), (30, 961578), (36, 801315), (45, 641052), (54, 534210), (60, 480789), (81, 356140), (90, 320526), (108, 267105), (135, 213684), (162, 178070), (180, 160263), (270, 106842), (324, 89035), (405, 71228), (540, 53421), (810, 35614), (1620, 17807)]