16236640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 47401200

約数和(自身を除く): 31164560

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, 109, 112, 133, 140, 152, 160, 190, 196, 218, 224, 245, 266, 280, 304, 380, 392, 436, 490, 532, 545, 560, 608, 665, 760, 763, 784, 872, 931, 980, 1064, 1090, 1120, 1330, 1520, 1526, 1568, 1744, 1862, 1960, 2071, 2128, 2180, 2660, 3040, 3052, 3488, 3724, 3815, 3920, 4142, 4256, 4360, 4655, 5320, 5341, 6104, 7448, 7630, 7840, 8284, 8720, 9310, 10355, 10640, 10682, 12208, 14497, 14896, 15260, 16568, 17440, 18620, 20710, 21280, 21364, 24416, 26705, 28994, 29792, 30520, 33136, 37240, 41420, 42728, 53410, 57988, 61040, 66272, 72485, 74480, 82840, 85456, 101479, 106820, 115976, 122080, 144970, 148960, 165680, 170912, 202958, 213640, 231952, 289940, 331360, 405916, 427280, 463904, 507395, 579880, 811832, 854560, 1014790, 1159760, 1623664, 2029580, 2319520, 3247328, 4059160, 8118320, 16236640]

約数ペア:

[(1, 16236640), (2, 8118320), (4, 4059160), (5, 3247328), (7, 2319520), (8, 2029580), (10, 1623664), (14, 1159760), (16, 1014790), (19, 854560), (20, 811832), (28, 579880), (32, 507395), (35, 463904), (38, 427280), (40, 405916), (49, 331360), (56, 289940), (70, 231952), (76, 213640), (80, 202958), (95, 170912), (98, 165680), (109, 148960), (112, 144970), (133, 122080), (140, 115976), (152, 106820), (160, 101479), (190, 85456), (196, 82840), (218, 74480), (224, 72485), (245, 66272), (266, 61040), (280, 57988), (304, 53410), (380, 42728), (392, 41420), (436, 37240), (490, 33136), (532, 30520), (545, 29792), (560, 28994), (608, 26705), (665, 24416), (760, 21364), (763, 21280), (784, 20710), (872, 18620), (931, 17440), (980, 16568), (1064, 15260), (1090, 14896), (1120, 14497), (1330, 12208), (1520, 10682), (1526, 10640), (1568, 10355), (1744, 9310), (1862, 8720), (1960, 8284), (2071, 7840), (2128, 7630), (2180, 7448), (2660, 6104), (3040, 5341), (3052, 5320), (3488, 4655), (3724, 4360), (3815, 4256), (3920, 4142)]