16166920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 47174400

約数和(自身を除く): 31007480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 181, 203, 220, 232, 280, 290, 308, 319, 362, 385, 406, 440, 580, 616, 638, 724, 770, 812, 905, 1015, 1160, 1267, 1276, 1448, 1540, 1595, 1624, 1810, 1991, 2030, 2233, 2534, 2552, 3080, 3190, 3620, 3982, 4060, 4466, 5068, 5249, 6335, 6380, 7240, 7964, 8120, 8932, 9955, 10136, 10498, 11165, 12670, 12760, 13937, 15928, 17864, 19910, 20996, 22330, 25340, 26245, 27874, 36743, 39820, 41992, 44660, 50680, 52490, 55748, 57739, 69685, 73486, 79640, 89320, 104980, 111496, 115478, 139370, 146972, 183715, 209960, 230956, 278740, 288695, 293944, 367430, 404173, 461912, 557480, 577390, 734860, 808346, 1154780, 1469720, 1616692, 2020865, 2309560, 3233384, 4041730, 8083460, 16166920]

約数ペア:

[(1, 16166920), (2, 8083460), (4, 4041730), (5, 3233384), (7, 2309560), (8, 2020865), (10, 1616692), (11, 1469720), (14, 1154780), (20, 808346), (22, 734860), (28, 577390), (29, 557480), (35, 461912), (40, 404173), (44, 367430), (55, 293944), (56, 288695), (58, 278740), (70, 230956), (77, 209960), (88, 183715), (110, 146972), (116, 139370), (140, 115478), (145, 111496), (154, 104980), (181, 89320), (203, 79640), (220, 73486), (232, 69685), (280, 57739), (290, 55748), (308, 52490), (319, 50680), (362, 44660), (385, 41992), (406, 39820), (440, 36743), (580, 27874), (616, 26245), (638, 25340), (724, 22330), (770, 20996), (812, 19910), (905, 17864), (1015, 15928), (1160, 13937), (1267, 12760), (1276, 12670), (1448, 11165), (1540, 10498), (1595, 10136), (1624, 9955), (1810, 8932), (1991, 8120), (2030, 7964), (2233, 7240), (2534, 6380), (2552, 6335), (3080, 5249), (3190, 5068), (3620, 4466), (3982, 4060)]