256528620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{158351}}^1$

素因数の和:158372

約数の個数: 60

約数和(自身を含む): 804744864

約数和(自身を除く): 548216244

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, 158351, 316702, 475053, 633404, 791755, 950106, 1425159, 1583510, 1900212, 2375265, 2850318, 3167020, 4275477, 4750530, 5700636, 7125795, 8550954, 9501060, 12826431, 14251590, 17101908, 21377385, 25652862, 28503180, 42754770, 51305724, 64132155, 85509540, 128264310, 256528620]

約数ペア:

[(1, 256528620), (2, 128264310), (3, 85509540), (4, 64132155), (5, 51305724), (6, 42754770), (9, 28503180), (10, 25652862), (12, 21377385), (15, 17101908), (18, 14251590), (20, 12826431), (27, 9501060), (30, 8550954), (36, 7125795), (45, 5700636), (54, 4750530), (60, 4275477), (81, 3167020), (90, 2850318), (108, 2375265), (135, 1900212), (162, 1583510), (180, 1425159), (270, 950106), (324, 791755), (405, 633404), (540, 475053), (810, 316702), (1620, 158351)]