890280120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{21017}}^1$

素因数の和:21384

約数の個数: 64

約数和(自身を含む): 2678533920

約数和(自身を除く): 1788253800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1765, 2118, 2824, 3530, 4236, 5295, 7060, 8472, 10590, 14120, 21017, 21180, 42034, 42360, 63051, 84068, 105085, 126102, 168136, 210170, 252204, 315255, 420340, 504408, 630510, 840680, 1261020, 2522040, 7419001, 14838002, 22257003, 29676004, 37095005, 44514006, 59352008, 74190010, 89028012, 111285015, 148380020, 178056024, 222570030, 296760040, 445140060, 890280120]

約数ペア:

[(1, 890280120), (2, 445140060), (3, 296760040), (4, 222570030), (5, 178056024), (6, 148380020), (8, 111285015), (10, 89028012), (12, 74190010), (15, 59352008), (20, 44514006), (24, 37095005), (30, 29676004), (40, 22257003), (60, 14838002), (120, 7419001), (353, 2522040), (706, 1261020), (1059, 840680), (1412, 630510), (1765, 504408), (2118, 420340), (2824, 315255), (3530, 252204), (4236, 210170), (5295, 168136), (7060, 126102), (8472, 105085), (10590, 84068), (14120, 63051), (21017, 42360), (21180, 42034)]