2520352980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{325627}}^1$

素因数の和:325685

約数の個数: 72

約数和(自身を含む): 7822887072

約数和(自身を除く): 5302534092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 325627, 651254, 976881, 1302508, 1628135, 1953762, 2930643, 3256270, 3907524, 4884405, 5861286, 6512540, 9768810, 11722572, 14001961, 14653215, 19537620, 28003922, 29306430, 42005883, 56007844, 58612860, 70009805, 84011766, 126017649, 140019610, 168023532, 210029415, 252035298, 280039220, 420058830, 504070596, 630088245, 840117660, 1260176490, 2520352980]

約数ペア:

[(1, 2520352980), (2, 1260176490), (3, 840117660), (4, 630088245), (5, 504070596), (6, 420058830), (9, 280039220), (10, 252035298), (12, 210029415), (15, 168023532), (18, 140019610), (20, 126017649), (30, 84011766), (36, 70009805), (43, 58612860), (45, 56007844), (60, 42005883), (86, 29306430), (90, 28003922), (129, 19537620), (172, 14653215), (180, 14001961), (215, 11722572), (258, 9768810), (387, 6512540), (430, 5861286), (516, 4884405), (645, 3907524), (774, 3256270), (860, 2930643), (1290, 1953762), (1548, 1628135), (1935, 1302508), (2580, 976881), (3870, 651254), (7740, 325627)]