81198240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1374

約数の個数: 96

約数和(自身を含む): 257826240

約数和(自身を除く): 176628000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 417, 480, 556, 695, 834, 1112, 1217, 1390, 1668, 2085, 2224, 2434, 2780, 3336, 3651, 4170, 4448, 4868, 5560, 6085, 6672, 7302, 8340, 9736, 11120, 12170, 13344, 14604, 16680, 18255, 19472, 22240, 24340, 29208, 33360, 36510, 38944, 48680, 58416, 66720, 73020, 97360, 116832, 146040, 169163, 194720, 292080, 338326, 507489, 584160, 676652, 845815, 1014978, 1353304, 1691630, 2029956, 2537445, 2706608, 3383260, 4059912, 5074890, 5413216, 6766520, 8119824, 10149780, 13533040, 16239648, 20299560, 27066080, 40599120, 81198240]

約数ペア:

[(1, 81198240), (2, 40599120), (3, 27066080), (4, 20299560), (5, 16239648), (6, 13533040), (8, 10149780), (10, 8119824), (12, 6766520), (15, 5413216), (16, 5074890), (20, 4059912), (24, 3383260), (30, 2706608), (32, 2537445), (40, 2029956), (48, 1691630), (60, 1353304), (80, 1014978), (96, 845815), (120, 676652), (139, 584160), (160, 507489), (240, 338326), (278, 292080), (417, 194720), (480, 169163), (556, 146040), (695, 116832), (834, 97360), (1112, 73020), (1217, 66720), (1390, 58416), (1668, 48680), (2085, 38944), (2224, 36510), (2434, 33360), (2780, 29208), (3336, 24340), (3651, 22240), (4170, 19472), (4448, 18255), (4868, 16680), (5560, 14604), (6085, 13344), (6672, 12170), (7302, 11120), (8340, 9736)]