81968760

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{937}}^1$

素因数の和:969

約数の個数: 128

約数和(自身を含む): 276897600

約数和(自身を除く): 194928840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 937, 972, 1080, 1215, 1458, 1620, 1874, 1944, 2187, 2430, 2811, 2916, 3240, 3645, 3748, 4374, 4685, 4860, 5622, 5832, 7290, 7496, 8433, 8748, 9370, 9720, 10935, 11244, 14055, 14580, 16866, 17496, 18740, 21870, 22488, 25299, 28110, 29160, 33732, 37480, 42165, 43740, 50598, 56220, 67464, 75897, 84330, 87480, 101196, 112440, 126495, 151794, 168660, 202392, 227691, 252990, 303588, 337320, 379485, 455382, 505980, 607176, 683073, 758970, 910764, 1011960, 1138455, 1366146, 1517940, 1821528, 2049219, 2276910, 2732292, 3035880, 3415365, 4098438, 4553820, 5464584, 6830730, 8196876, 9107640, 10246095, 13661460, 16393752, 20492190, 27322920, 40984380, 81968760]

約数ペア:

[(1, 81968760), (2, 40984380), (3, 27322920), (4, 20492190), (5, 16393752), (6, 13661460), (8, 10246095), (9, 9107640), (10, 8196876), (12, 6830730), (15, 5464584), (18, 4553820), (20, 4098438), (24, 3415365), (27, 3035880), (30, 2732292), (36, 2276910), (40, 2049219), (45, 1821528), (54, 1517940), (60, 1366146), (72, 1138455), (81, 1011960), (90, 910764), (108, 758970), (120, 683073), (135, 607176), (162, 505980), (180, 455382), (216, 379485), (243, 337320), (270, 303588), (324, 252990), (360, 227691), (405, 202392), (486, 168660), (540, 151794), (648, 126495), (729, 112440), (810, 101196), (937, 87480), (972, 84330), (1080, 75897), (1215, 67464), (1458, 56220), (1620, 50598), (1874, 43740), (1944, 42165), (2187, 37480), (2430, 33732), (2811, 29160), (2916, 28110), (3240, 25299), (3645, 22488), (3748, 21870), (4374, 18740), (4685, 17496), (4860, 16866), (5622, 14580), (5832, 14055), (7290, 11244), (7496, 10935), (8433, 9720), (8748, 9370)]