21128626080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{176779}}^1$

素因数の和:176883

約数の個数: 144

約数和(自身を含む): 72970541280

約数和(自身を除く): 51841915200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 720, 747, 830, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2988, 3320, 3735, 3984, 4980, 5976, 6640, 7470, 7968, 9960, 11952, 13280, 14940, 19920, 23904, 29880, 39840, 59760, 119520, 176779, 353558, 530337, 707116, 883895, 1060674, 1414232, 1591011, 1767790, 2121348, 2651685, 2828464, 3182022, 3535580, 4242696, 5303370, 5656928, 6364044, 7071160, 7955055, 8485392, 10606740, 12728088, 14142320, 14672657, 15910110, 16970784, 21213480, 25456176, 28284640, 29345314, 31820220, 42426960, 44017971, 50912352, 58690628, 63640440, 73363285, 84853920, 88035942, 117381256, 127280880, 132053913, 146726570, 176071884, 220089855, 234762512, 254561760, 264107826, 293453140, 352143768, 440179710, 469525024, 528215652, 586906280, 660269565, 704287536, 880359420, 1056431304, 1173812560, 1320539130, 1408575072, 1760718840, 2112862608, 2347625120, 2641078260, 3521437680, 4225725216, 5282156520, 7042875360, 10564313040, 21128626080]

約数ペア:

[(1, 21128626080), (2, 10564313040), (3, 7042875360), (4, 5282156520), (5, 4225725216), (6, 3521437680), (8, 2641078260), (9, 2347625120), (10, 2112862608), (12, 1760718840), (15, 1408575072), (16, 1320539130), (18, 1173812560), (20, 1056431304), (24, 880359420), (30, 704287536), (32, 660269565), (36, 586906280), (40, 528215652), (45, 469525024), (48, 440179710), (60, 352143768), (72, 293453140), (80, 264107826), (83, 254561760), (90, 234762512), (96, 220089855), (120, 176071884), (144, 146726570), (160, 132053913), (166, 127280880), (180, 117381256), (240, 88035942), (249, 84853920), (288, 73363285), (332, 63640440), (360, 58690628), (415, 50912352), (480, 44017971), (498, 42426960), (664, 31820220), (720, 29345314), (747, 28284640), (830, 25456176), (996, 21213480), (1245, 16970784), (1328, 15910110), (1440, 14672657), (1494, 14142320), (1660, 12728088), (1992, 10606740), (2490, 8485392), (2656, 7955055), (2988, 7071160), (3320, 6364044), (3735, 5656928), (3984, 5303370), (4980, 4242696), (5976, 3535580), (6640, 3182022), (7470, 2828464), (7968, 2651685), (9960, 2121348), (11952, 1767790), (13280, 1591011), (14940, 1414232), (19920, 1060674), (23904, 883895), (29880, 707116), (39840, 530337), (59760, 353558), (119520, 176779)]