16977520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 47327328

約数和(自身を除く): 30349808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 71, 80, 98, 112, 122, 140, 142, 196, 244, 245, 280, 284, 305, 355, 392, 427, 488, 490, 497, 560, 568, 610, 710, 784, 854, 976, 980, 994, 1136, 1220, 1420, 1708, 1960, 1988, 2135, 2440, 2485, 2840, 2989, 3416, 3479, 3920, 3976, 4270, 4331, 4880, 4970, 5680, 5978, 6832, 6958, 7952, 8540, 8662, 9940, 11956, 13916, 14945, 17080, 17324, 17395, 19880, 21655, 23912, 27832, 29890, 30317, 34160, 34648, 34790, 39760, 43310, 47824, 55664, 59780, 60634, 69296, 69580, 86620, 119560, 121268, 139160, 151585, 173240, 212219, 239120, 242536, 278320, 303170, 346480, 424438, 485072, 606340, 848876, 1061095, 1212680, 1697752, 2122190, 2425360, 3395504, 4244380, 8488760, 16977520]

約数ペア:

[(1, 16977520), (2, 8488760), (4, 4244380), (5, 3395504), (7, 2425360), (8, 2122190), (10, 1697752), (14, 1212680), (16, 1061095), (20, 848876), (28, 606340), (35, 485072), (40, 424438), (49, 346480), (56, 303170), (61, 278320), (70, 242536), (71, 239120), (80, 212219), (98, 173240), (112, 151585), (122, 139160), (140, 121268), (142, 119560), (196, 86620), (244, 69580), (245, 69296), (280, 60634), (284, 59780), (305, 55664), (355, 47824), (392, 43310), (427, 39760), (488, 34790), (490, 34648), (497, 34160), (560, 30317), (568, 29890), (610, 27832), (710, 23912), (784, 21655), (854, 19880), (976, 17395), (980, 17324), (994, 17080), (1136, 14945), (1220, 13916), (1420, 11956), (1708, 9940), (1960, 8662), (1988, 8540), (2135, 7952), (2440, 6958), (2485, 6832), (2840, 5978), (2989, 5680), (3416, 4970), (3479, 4880), (3920, 4331), (3976, 4270)]