2781720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{7727}}^1$

素因数の和:7744

約数の個数: 48

約数和(自身を含む): 9041760

約数和(自身を除く): 6260040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 7727, 15454, 23181, 30908, 38635, 46362, 61816, 69543, 77270, 92724, 115905, 139086, 154540, 185448, 231810, 278172, 309080, 347715, 463620, 556344, 695430, 927240, 1390860, 2781720]

約数ペア:

[(1, 2781720), (2, 1390860), (3, 927240), (4, 695430), (5, 556344), (6, 463620), (8, 347715), (9, 309080), (10, 278172), (12, 231810), (15, 185448), (18, 154540), (20, 139086), (24, 115905), (30, 92724), (36, 77270), (40, 69543), (45, 61816), (60, 46362), (72, 38635), (90, 30908), (120, 23181), (180, 15454), (360, 7727)]