1668128560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{22397}}^1$

素因数の和:22443

約数の個数: 120

約数和(自身を含む): 4749271920

約数和(自身を除く): 3081143360

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, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 7448, 9310, 10640, 14896, 18620, 22397, 37240, 44794, 74480, 89588, 111985, 156779, 179176, 223970, 313558, 358352, 425543, 447940, 627116, 783895, 851086, 895880, 1097453, 1254232, 1567790, 1702172, 1791760, 2127715, 2194906, 2508464, 2978801, 3135580, 3404344, 4255430, 4389812, 5487265, 5957602, 6271160, 6808688, 8510860, 8779624, 10974530, 11915204, 12542320, 14894005, 17021720, 17559248, 20851607, 21949060, 23830408, 29788010, 34043440, 41703214, 43898120, 47660816, 59576020, 83406428, 87796240, 104258035, 119152040, 166812856, 208516070, 238304080, 333625712, 417032140, 834064280, 1668128560]

約数ペア:

[(1, 1668128560), (2, 834064280), (4, 417032140), (5, 333625712), (7, 238304080), (8, 208516070), (10, 166812856), (14, 119152040), (16, 104258035), (19, 87796240), (20, 83406428), (28, 59576020), (35, 47660816), (38, 43898120), (40, 41703214), (49, 34043440), (56, 29788010), (70, 23830408), (76, 21949060), (80, 20851607), (95, 17559248), (98, 17021720), (112, 14894005), (133, 12542320), (140, 11915204), (152, 10974530), (190, 8779624), (196, 8510860), (245, 6808688), (266, 6271160), (280, 5957602), (304, 5487265), (380, 4389812), (392, 4255430), (490, 3404344), (532, 3135580), (560, 2978801), (665, 2508464), (760, 2194906), (784, 2127715), (931, 1791760), (980, 1702172), (1064, 1567790), (1330, 1254232), (1520, 1097453), (1862, 895880), (1960, 851086), (2128, 783895), (2660, 627116), (3724, 447940), (3920, 425543), (4655, 358352), (5320, 313558), (7448, 223970), (9310, 179176), (10640, 156779), (14896, 111985), (18620, 89588), (22397, 74480), (37240, 44794)]