678308960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:629

約数の個数: 144

約数和(自身を含む): 1877087520

約数和(自身を除く): 1198778560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 241, 245, 280, 359, 392, 482, 490, 560, 718, 784, 964, 980, 1120, 1205, 1436, 1568, 1687, 1795, 1928, 1960, 2410, 2513, 2872, 3374, 3590, 3856, 3920, 4820, 5026, 5744, 6748, 7180, 7712, 7840, 8435, 9640, 10052, 11488, 11809, 12565, 13496, 14360, 16870, 17591, 19280, 20104, 23618, 25130, 26992, 28720, 33740, 35182, 38560, 40208, 47236, 50260, 53984, 57440, 59045, 67480, 70364, 80416, 86519, 87955, 94472, 100520, 118090, 134960, 140728, 173038, 175910, 188944, 201040, 236180, 269920, 281456, 346076, 351820, 377888, 402080, 432595, 472360, 562912, 605633, 692152, 703640, 865190, 944720, 1211266, 1384304, 1407280, 1730380, 1889440, 2422532, 2768608, 2814560, 3028165, 3460760, 4239431, 4845064, 6056330, 6921520, 8478862, 9690128, 12112660, 13843040, 16957724, 19380256, 21197155, 24225320, 33915448, 42394310, 48450640, 67830896, 84788620, 96901280, 135661792, 169577240, 339154480, 678308960]

約数ペア:

[(1, 678308960), (2, 339154480), (4, 169577240), (5, 135661792), (7, 96901280), (8, 84788620), (10, 67830896), (14, 48450640), (16, 42394310), (20, 33915448), (28, 24225320), (32, 21197155), (35, 19380256), (40, 16957724), (49, 13843040), (56, 12112660), (70, 9690128), (80, 8478862), (98, 6921520), (112, 6056330), (140, 4845064), (160, 4239431), (196, 3460760), (224, 3028165), (241, 2814560), (245, 2768608), (280, 2422532), (359, 1889440), (392, 1730380), (482, 1407280), (490, 1384304), (560, 1211266), (718, 944720), (784, 865190), (964, 703640), (980, 692152), (1120, 605633), (1205, 562912), (1436, 472360), (1568, 432595), (1687, 402080), (1795, 377888), (1928, 351820), (1960, 346076), (2410, 281456), (2513, 269920), (2872, 236180), (3374, 201040), (3590, 188944), (3856, 175910), (3920, 173038), (4820, 140728), (5026, 134960), (5744, 118090), (6748, 100520), (7180, 94472), (7712, 87955), (7840, 86519), (8435, 80416), (9640, 70364), (10052, 67480), (11488, 59045), (11809, 57440), (12565, 53984), (13496, 50260), (14360, 47236), (16870, 40208), (17591, 38560), (19280, 35182), (20104, 33740), (23618, 28720), (25130, 26992)]