55040720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:785

約数の個数: 120

約数和(自身を含む): 156909600

約数和(自身を除く): 101868880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 739, 760, 784, 931, 980, 1064, 1330, 1478, 1520, 1862, 1960, 2128, 2660, 2956, 3695, 3724, 3920, 4655, 5173, 5320, 5912, 7390, 7448, 9310, 10346, 10640, 11824, 14041, 14780, 14896, 18620, 20692, 25865, 28082, 29560, 36211, 37240, 41384, 51730, 56164, 59120, 70205, 72422, 74480, 82768, 98287, 103460, 112328, 140410, 144844, 181055, 196574, 206920, 224656, 280820, 289688, 362110, 393148, 413840, 491435, 561640, 579376, 688009, 724220, 786296, 982870, 1123280, 1376018, 1448440, 1572592, 1965740, 2752036, 2896880, 3440045, 3931480, 5504072, 6880090, 7862960, 11008144, 13760180, 27520360, 55040720]

約数ペア:

[(1, 55040720), (2, 27520360), (4, 13760180), (5, 11008144), (7, 7862960), (8, 6880090), (10, 5504072), (14, 3931480), (16, 3440045), (19, 2896880), (20, 2752036), (28, 1965740), (35, 1572592), (38, 1448440), (40, 1376018), (49, 1123280), (56, 982870), (70, 786296), (76, 724220), (80, 688009), (95, 579376), (98, 561640), (112, 491435), (133, 413840), (140, 393148), (152, 362110), (190, 289688), (196, 280820), (245, 224656), (266, 206920), (280, 196574), (304, 181055), (380, 144844), (392, 140410), (490, 112328), (532, 103460), (560, 98287), (665, 82768), (739, 74480), (760, 72422), (784, 70205), (931, 59120), (980, 56164), (1064, 51730), (1330, 41384), (1478, 37240), (1520, 36211), (1862, 29560), (1960, 28082), (2128, 25865), (2660, 20692), (2956, 18620), (3695, 14896), (3724, 14780), (3920, 14041), (4655, 11824), (5173, 10640), (5320, 10346), (5912, 9310), (7390, 7448)]