720121020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{706001}}^1$

素因数の和:706030

約数の個数: 48

約数和(自身を含む): 2134950048

約数和(自身を除く): 1414829028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 706001, 1412002, 2118003, 2824004, 3530005, 4236006, 7060010, 8472012, 10590015, 12002017, 14120020, 21180030, 24004034, 36006051, 42360060, 48008068, 60010085, 72012102, 120020170, 144024204, 180030255, 240040340, 360060510, 720121020]

約数ペア:

[(1, 720121020), (2, 360060510), (3, 240040340), (4, 180030255), (5, 144024204), (6, 120020170), (10, 72012102), (12, 60010085), (15, 48008068), (17, 42360060), (20, 36006051), (30, 24004034), (34, 21180030), (51, 14120020), (60, 12002017), (68, 10590015), (85, 8472012), (102, 7060010), (170, 4236006), (204, 3530005), (255, 2824004), (340, 2118003), (510, 1412002), (1020, 706001)]