56455840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 163749600

約数和(自身を除く): 107293760

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, 379, 380, 392, 490, 532, 560, 608, 665, 758, 760, 784, 931, 980, 1064, 1120, 1330, 1516, 1520, 1568, 1862, 1895, 1960, 2128, 2653, 2660, 3032, 3040, 3724, 3790, 3920, 4256, 4655, 5306, 5320, 6064, 7201, 7448, 7580, 7840, 9310, 10612, 10640, 12128, 13265, 14402, 14896, 15160, 18571, 18620, 21224, 21280, 26530, 28804, 29792, 30320, 36005, 37142, 37240, 42448, 50407, 53060, 57608, 60640, 72010, 74284, 74480, 84896, 92855, 100814, 106120, 115216, 144020, 148568, 148960, 185710, 201628, 212240, 230432, 252035, 288040, 297136, 352849, 371420, 403256, 424480, 504070, 576080, 594272, 705698, 742840, 806512, 1008140, 1152160, 1411396, 1485680, 1613024, 1764245, 2016280, 2822792, 2971360, 3528490, 4032560, 5645584, 7056980, 8065120, 11291168, 14113960, 28227920, 56455840]

約数ペア:

[(1, 56455840), (2, 28227920), (4, 14113960), (5, 11291168), (7, 8065120), (8, 7056980), (10, 5645584), (14, 4032560), (16, 3528490), (19, 2971360), (20, 2822792), (28, 2016280), (32, 1764245), (35, 1613024), (38, 1485680), (40, 1411396), (49, 1152160), (56, 1008140), (70, 806512), (76, 742840), (80, 705698), (95, 594272), (98, 576080), (112, 504070), (133, 424480), (140, 403256), (152, 371420), (160, 352849), (190, 297136), (196, 288040), (224, 252035), (245, 230432), (266, 212240), (280, 201628), (304, 185710), (379, 148960), (380, 148568), (392, 144020), (490, 115216), (532, 106120), (560, 100814), (608, 92855), (665, 84896), (758, 74480), (760, 74284), (784, 72010), (931, 60640), (980, 57608), (1064, 53060), (1120, 50407), (1330, 42448), (1516, 37240), (1520, 37142), (1568, 36005), (1862, 30320), (1895, 29792), (1960, 28804), (2128, 26530), (2653, 21280), (2660, 21224), (3032, 18620), (3040, 18571), (3724, 15160), (3790, 14896), (3920, 14402), (4256, 13265), (4655, 12128), (5306, 10640), (5320, 10612), (6064, 9310), (7201, 7840), (7448, 7580)]