20964687840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{112859}}^1$

素因数の和:112926

約数の個数: 192

約数和(自身を含む): 75083500800

約数和(自身を除く): 54118812960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 215, 216, 240, 258, 270, 288, 344, 360, 387, 430, 432, 480, 516, 540, 645, 688, 720, 774, 860, 864, 1032, 1080, 1161, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2160, 2322, 2580, 3096, 3440, 3870, 4128, 4320, 4644, 5160, 5805, 6192, 6880, 7740, 9288, 10320, 11610, 12384, 15480, 18576, 20640, 23220, 30960, 37152, 46440, 61920, 92880, 112859, 185760, 225718, 338577, 451436, 564295, 677154, 902872, 1015731, 1128590, 1354308, 1692885, 1805744, 2031462, 2257180, 2708616, 3047193, 3385770, 3611488, 4062924, 4514360, 4852937, 5078655, 5417232, 6094386, 6771540, 8125848, 9028720, 9705874, 10157310, 10834464, 12188772, 13543080, 14558811, 15235965, 16251696, 18057440, 19411748, 20314620, 24264685, 24377544, 27086160, 29117622, 30471930, 32503392, 38823496, 40629240, 43676433, 48529370, 48755088, 54172320, 58235244, 60943860, 72794055, 77646992, 81258480, 87352866, 97058740, 97510176, 116470488, 121887720, 131029299, 145588110, 155293984, 162516960, 174705732, 194117480, 218382165, 232940976, 243775440, 262058598, 291176220, 349411464, 388234960, 436764330, 465881952, 487550880, 524117196, 582352440, 655146495, 698822928, 776469920, 873528660, 1048234392, 1164704880, 1310292990, 1397645856, 1747057320, 2096468784, 2329409760, 2620585980, 3494114640, 4192937568, 5241171960, 6988229280, 10482343920, 20964687840]

約数ペア:

[(1, 20964687840), (2, 10482343920), (3, 6988229280), (4, 5241171960), (5, 4192937568), (6, 3494114640), (8, 2620585980), (9, 2329409760), (10, 2096468784), (12, 1747057320), (15, 1397645856), (16, 1310292990), (18, 1164704880), (20, 1048234392), (24, 873528660), (27, 776469920), (30, 698822928), (32, 655146495), (36, 582352440), (40, 524117196), (43, 487550880), (45, 465881952), (48, 436764330), (54, 388234960), (60, 349411464), (72, 291176220), (80, 262058598), (86, 243775440), (90, 232940976), (96, 218382165), (108, 194117480), (120, 174705732), (129, 162516960), (135, 155293984), (144, 145588110), (160, 131029299), (172, 121887720), (180, 116470488), (215, 97510176), (216, 97058740), (240, 87352866), (258, 81258480), (270, 77646992), (288, 72794055), (344, 60943860), (360, 58235244), (387, 54172320), (430, 48755088), (432, 48529370), (480, 43676433), (516, 40629240), (540, 38823496), (645, 32503392), (688, 30471930), (720, 29117622), (774, 27086160), (860, 24377544), (864, 24264685), (1032, 20314620), (1080, 19411748), (1161, 18057440), (1290, 16251696), (1376, 15235965), (1440, 14558811), (1548, 13543080), (1720, 12188772), (1935, 10834464), (2064, 10157310), (2160, 9705874), (2322, 9028720), (2580, 8125848), (3096, 6771540), (3440, 6094386), (3870, 5417232), (4128, 5078655), (4320, 4852937), (4644, 4514360), (5160, 4062924), (5805, 3611488), (6192, 3385770), (6880, 3047193), (7740, 2708616), (9288, 2257180), (10320, 2031462), (11610, 1805744), (12384, 1692885), (15480, 1354308), (18576, 1128590), (20640, 1015731), (23220, 902872), (30960, 677154), (37152, 564295), (46440, 451436), (61920, 338577), (92880, 225718), (112859, 185760)]