1920256560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 6703856640

約数和(自身を除く): 4783600080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 227, 240, 248, 279, 310, 360, 372, 379, 454, 465, 496, 558, 620, 681, 720, 744, 758, 908, 930, 1116, 1135, 1137, 1240, 1362, 1395, 1488, 1516, 1816, 1860, 1895, 2043, 2232, 2270, 2274, 2480, 2724, 2790, 3032, 3405, 3411, 3632, 3720, 3790, 4086, 4464, 4540, 4548, 5448, 5580, 5685, 6064, 6810, 6822, 7037, 7440, 7580, 8172, 9080, 9096, 10215, 10896, 11160, 11370, 11749, 13620, 13644, 14074, 15160, 16344, 17055, 18160, 18192, 20430, 21111, 22320, 22740, 23498, 27240, 27288, 28148, 30320, 32688, 34110, 35185, 35247, 40860, 42222, 45480, 46996, 54480, 54576, 56296, 58745, 63333, 68220, 70370, 70494, 81720, 84444, 86033, 90960, 93992, 105555, 105741, 112592, 117490, 126666, 136440, 140740, 140988, 163440, 168888, 172066, 176235, 187984, 211110, 211482, 234980, 253332, 258099, 272880, 281480, 281976, 316665, 337776, 344132, 352470, 422220, 422964, 430165, 469960, 506664, 516198, 528705, 562960, 563952, 633330, 688264, 704940, 774297, 844440, 845928, 860330, 939920, 1013328, 1032396, 1057410, 1266660, 1290495, 1376528, 1409880, 1548594, 1688880, 1691856, 1720660, 2064792, 2114820, 2533320, 2580990, 2667023, 2819760, 3097188, 3441320, 3871485, 4129584, 4229640, 5066640, 5161980, 5334046, 6194376, 6882640, 7742970, 8001069, 8459280, 10323960, 10668092, 12388752, 13335115, 15485940, 16002138, 20647920, 21336184, 24003207, 26670230, 30971880, 32004276, 40005345, 42672368, 48006414, 53340460, 61943760, 64008552, 80010690, 96012828, 106680920, 120016035, 128017104, 160021380, 192025656, 213361840, 240032070, 320042760, 384051312, 480064140, 640085520, 960128280, 1920256560]

約数ペア:

[(1, 1920256560), (2, 960128280), (3, 640085520), (4, 480064140), (5, 384051312), (6, 320042760), (8, 240032070), (9, 213361840), (10, 192025656), (12, 160021380), (15, 128017104), (16, 120016035), (18, 106680920), (20, 96012828), (24, 80010690), (30, 64008552), (31, 61943760), (36, 53340460), (40, 48006414), (45, 42672368), (48, 40005345), (60, 32004276), (62, 30971880), (72, 26670230), (80, 24003207), (90, 21336184), (93, 20647920), (120, 16002138), (124, 15485940), (144, 13335115), (155, 12388752), (180, 10668092), (186, 10323960), (227, 8459280), (240, 8001069), (248, 7742970), (279, 6882640), (310, 6194376), (360, 5334046), (372, 5161980), (379, 5066640), (454, 4229640), (465, 4129584), (496, 3871485), (558, 3441320), (620, 3097188), (681, 2819760), (720, 2667023), (744, 2580990), (758, 2533320), (908, 2114820), (930, 2064792), (1116, 1720660), (1135, 1691856), (1137, 1688880), (1240, 1548594), (1362, 1409880), (1395, 1376528), (1488, 1290495), (1516, 1266660), (1816, 1057410), (1860, 1032396), (1895, 1013328), (2043, 939920), (2232, 860330), (2270, 845928), (2274, 844440), (2480, 774297), (2724, 704940), (2790, 688264), (3032, 633330), (3405, 563952), (3411, 562960), (3632, 528705), (3720, 516198), (3790, 506664), (4086, 469960), (4464, 430165), (4540, 422964), (4548, 422220), (5448, 352470), (5580, 344132), (5685, 337776), (6064, 316665), (6810, 281976), (6822, 281480), (7037, 272880), (7440, 258099), (7580, 253332), (8172, 234980), (9080, 211482), (9096, 211110), (10215, 187984), (10896, 176235), (11160, 172066), (11370, 168888), (11749, 163440), (13620, 140988), (13644, 140740), (14074, 136440), (15160, 126666), (16344, 117490), (17055, 112592), (18160, 105741), (18192, 105555), (20430, 93992), (21111, 90960), (22320, 86033), (22740, 84444), (23498, 81720), (27240, 70494), (27288, 70370), (28148, 68220), (30320, 63333), (32688, 58745), (34110, 56296), (35185, 54576), (35247, 54480), (40860, 46996), (42222, 45480)]