239676640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1657

約数の個数: 144

約数和(自身を含む): 693781200

約数和(自身を除く): 454104560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1609, 1862, 1960, 2128, 2660, 3040, 3218, 3724, 3920, 4256, 4655, 5320, 6436, 7448, 7840, 8045, 9310, 10640, 11263, 12872, 14896, 16090, 18620, 21280, 22526, 25744, 29792, 30571, 32180, 37240, 45052, 51488, 56315, 61142, 64360, 74480, 78841, 90104, 112630, 122284, 128720, 148960, 152855, 157682, 180208, 213997, 225260, 244568, 257440, 305710, 315364, 360416, 394205, 427994, 450520, 489136, 611420, 630728, 788410, 855988, 901040, 978272, 1069985, 1222840, 1261456, 1497979, 1576820, 1711976, 1802080, 2139970, 2445680, 2522912, 2995958, 3153640, 3423952, 4279940, 4891360, 5991916, 6307280, 6847904, 7489895, 8559880, 11983832, 12614560, 14979790, 17119760, 23967664, 29959580, 34239520, 47935328, 59919160, 119838320, 239676640]

約数ペア:

[(1, 239676640), (2, 119838320), (4, 59919160), (5, 47935328), (7, 34239520), (8, 29959580), (10, 23967664), (14, 17119760), (16, 14979790), (19, 12614560), (20, 11983832), (28, 8559880), (32, 7489895), (35, 6847904), (38, 6307280), (40, 5991916), (49, 4891360), (56, 4279940), (70, 3423952), (76, 3153640), (80, 2995958), (95, 2522912), (98, 2445680), (112, 2139970), (133, 1802080), (140, 1711976), (152, 1576820), (160, 1497979), (190, 1261456), (196, 1222840), (224, 1069985), (245, 978272), (266, 901040), (280, 855988), (304, 788410), (380, 630728), (392, 611420), (490, 489136), (532, 450520), (560, 427994), (608, 394205), (665, 360416), (760, 315364), (784, 305710), (931, 257440), (980, 244568), (1064, 225260), (1120, 213997), (1330, 180208), (1520, 157682), (1568, 152855), (1609, 148960), (1862, 128720), (1960, 122284), (2128, 112630), (2660, 90104), (3040, 78841), (3218, 74480), (3724, 64360), (3920, 61142), (4256, 56315), (4655, 51488), (5320, 45052), (6436, 37240), (7448, 32180), (7840, 30571), (8045, 29792), (9310, 25744), (10640, 22526), (11263, 21280), (12872, 18620), (14896, 16090)]