2161227120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4649}}^1$

素因数の和:4827

約数の個数: 160

約数和(自身を含む): 7265160000

約数和(自身を除く): 5103932880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 149, 156, 195, 208, 240, 260, 298, 312, 390, 447, 520, 596, 624, 745, 780, 894, 1040, 1192, 1490, 1560, 1788, 1937, 2235, 2384, 2980, 3120, 3576, 3874, 4470, 4649, 5811, 5960, 7152, 7748, 8940, 9298, 9685, 11622, 11920, 13947, 15496, 17880, 18596, 19370, 23244, 23245, 27894, 29055, 30992, 35760, 37192, 38740, 46488, 46490, 55788, 58110, 60437, 69735, 74384, 77480, 92976, 92980, 111576, 116220, 120874, 139470, 154960, 181311, 185960, 223152, 232440, 241748, 278940, 302185, 362622, 371920, 464880, 483496, 557880, 604370, 692701, 725244, 906555, 966992, 1115760, 1208740, 1385402, 1450488, 1813110, 2078103, 2417480, 2770804, 2900976, 3463505, 3626220, 4156206, 4834960, 5541608, 6927010, 7252440, 8312412, 9005113, 10390515, 11083216, 13854020, 14504880, 16624824, 18010226, 20781030, 27015339, 27708040, 33249648, 36020452, 41562060, 45025565, 54030678, 55416080, 72040904, 83124120, 90051130, 108061356, 135076695, 144081808, 166248240, 180102260, 216122712, 270153390, 360204520, 432245424, 540306780, 720409040, 1080613560, 2161227120]

約数ペア:

[(1, 2161227120), (2, 1080613560), (3, 720409040), (4, 540306780), (5, 432245424), (6, 360204520), (8, 270153390), (10, 216122712), (12, 180102260), (13, 166248240), (15, 144081808), (16, 135076695), (20, 108061356), (24, 90051130), (26, 83124120), (30, 72040904), (39, 55416080), (40, 54030678), (48, 45025565), (52, 41562060), (60, 36020452), (65, 33249648), (78, 27708040), (80, 27015339), (104, 20781030), (120, 18010226), (130, 16624824), (149, 14504880), (156, 13854020), (195, 11083216), (208, 10390515), (240, 9005113), (260, 8312412), (298, 7252440), (312, 6927010), (390, 5541608), (447, 4834960), (520, 4156206), (596, 3626220), (624, 3463505), (745, 2900976), (780, 2770804), (894, 2417480), (1040, 2078103), (1192, 1813110), (1490, 1450488), (1560, 1385402), (1788, 1208740), (1937, 1115760), (2235, 966992), (2384, 906555), (2980, 725244), (3120, 692701), (3576, 604370), (3874, 557880), (4470, 483496), (4649, 464880), (5811, 371920), (5960, 362622), (7152, 302185), (7748, 278940), (8940, 241748), (9298, 232440), (9685, 223152), (11622, 185960), (11920, 181311), (13947, 154960), (15496, 139470), (17880, 120874), (18596, 116220), (19370, 111576), (23244, 92980), (23245, 92976), (27894, 77480), (29055, 74384), (30992, 69735), (35760, 60437), (37192, 58110), (38740, 55788), (46488, 46490)]