51607620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{701}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 157149720

約数和(自身を除く): 105542100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 701, 818, 1227, 1402, 1636, 2045, 2103, 2454, 2804, 3505, 3681, 4090, 4206, 4908, 6135, 6309, 7010, 7362, 8180, 8412, 10515, 12270, 12618, 14020, 14724, 18405, 21030, 24540, 25236, 31545, 36810, 42060, 63090, 73620, 126180, 286709, 573418, 860127, 1146836, 1433545, 1720254, 2580381, 2867090, 3440508, 4300635, 5160762, 5734180, 8601270, 10321524, 12901905, 17202540, 25803810, 51607620]

約数ペア:

[(1, 51607620), (2, 25803810), (3, 17202540), (4, 12901905), (5, 10321524), (6, 8601270), (9, 5734180), (10, 5160762), (12, 4300635), (15, 3440508), (18, 2867090), (20, 2580381), (30, 1720254), (36, 1433545), (45, 1146836), (60, 860127), (90, 573418), (180, 286709), (409, 126180), (701, 73620), (818, 63090), (1227, 42060), (1402, 36810), (1636, 31545), (2045, 25236), (2103, 24540), (2454, 21030), (2804, 18405), (3505, 14724), (3681, 14020), (4090, 12618), (4206, 12270), (4908, 10515), (6135, 8412), (6309, 8180), (7010, 7362)]