20207796480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6521}}^1$

素因数の和:6817

約数の個数: 216

約数和(自身を含む): 70187546520

約数和(自身を除く): 49979750040

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 269, 288, 320, 360, 384, 480, 538, 576, 640, 720, 768, 807, 960, 1076, 1152, 1280, 1345, 1440, 1614, 1920, 2152, 2304, 2421, 2690, 2880, 3228, 3840, 4035, 4304, 4842, 5380, 5760, 6456, 6521, 8070, 8608, 9684, 10760, 11520, 12105, 12912, 13042, 16140, 17216, 19368, 19563, 21520, 24210, 25824, 26084, 32280, 32605, 34432, 38736, 39126, 43040, 48420, 51648, 52168, 58689, 64560, 65210, 68864, 77472, 78252, 86080, 96840, 97815, 103296, 104336, 117378, 129120, 130420, 154944, 156504, 172160, 193680, 195630, 206592, 208672, 234756, 258240, 260840, 293445, 309888, 313008, 344320, 387360, 391260, 417344, 469512, 516480, 521680, 586890, 619776, 626016, 774720, 782520, 834688, 939024, 1032960, 1043360, 1173780, 1252032, 1549440, 1565040, 1669376, 1754149, 1878048, 2086720, 2347560, 2504064, 3098880, 3130080, 3508298, 3756096, 4173440, 4695120, 5008128, 5262447, 6260160, 7016596, 7512192, 8346880, 8770745, 9390240, 10524894, 12520320, 14033192, 15024384, 15787341, 17541490, 18780480, 21049788, 25040640, 26312235, 28066384, 31574682, 35082980, 37560960, 42099576, 52624470, 56132768, 63149364, 70165960, 75121920, 78936705, 84199152, 105248940, 112265536, 126298728, 140331920, 157873410, 168398304, 210497880, 224531072, 252597456, 280663840, 315746820, 336796608, 420995760, 449062144, 505194912, 561327680, 631493640, 673593216, 841991520, 1010389824, 1122655360, 1262987280, 1347186432, 1683983040, 2020779648, 2245310720, 2525974560, 3367966080, 4041559296, 5051949120, 6735932160, 10103898240, 20207796480]

約数ペア:

[(1, 20207796480), (2, 10103898240), (3, 6735932160), (4, 5051949120), (5, 4041559296), (6, 3367966080), (8, 2525974560), (9, 2245310720), (10, 2020779648), (12, 1683983040), (15, 1347186432), (16, 1262987280), (18, 1122655360), (20, 1010389824), (24, 841991520), (30, 673593216), (32, 631493640), (36, 561327680), (40, 505194912), (45, 449062144), (48, 420995760), (60, 336796608), (64, 315746820), (72, 280663840), (80, 252597456), (90, 224531072), (96, 210497880), (120, 168398304), (128, 157873410), (144, 140331920), (160, 126298728), (180, 112265536), (192, 105248940), (240, 84199152), (256, 78936705), (269, 75121920), (288, 70165960), (320, 63149364), (360, 56132768), (384, 52624470), (480, 42099576), (538, 37560960), (576, 35082980), (640, 31574682), (720, 28066384), (768, 26312235), (807, 25040640), (960, 21049788), (1076, 18780480), (1152, 17541490), (1280, 15787341), (1345, 15024384), (1440, 14033192), (1614, 12520320), (1920, 10524894), (2152, 9390240), (2304, 8770745), (2421, 8346880), (2690, 7512192), (2880, 7016596), (3228, 6260160), (3840, 5262447), (4035, 5008128), (4304, 4695120), (4842, 4173440), (5380, 3756096), (5760, 3508298), (6456, 3130080), (6521, 3098880), (8070, 2504064), (8608, 2347560), (9684, 2086720), (10760, 1878048), (11520, 1754149), (12105, 1669376), (12912, 1565040), (13042, 1549440), (16140, 1252032), (17216, 1173780), (19368, 1043360), (19563, 1032960), (21520, 939024), (24210, 834688), (25824, 782520), (26084, 774720), (32280, 626016), (32605, 619776), (34432, 586890), (38736, 521680), (39126, 516480), (43040, 469512), (48420, 417344), (51648, 391260), (52168, 387360), (58689, 344320), (64560, 313008), (65210, 309888), (68864, 293445), (77472, 260840), (78252, 258240), (86080, 234756), (96840, 208672), (97815, 206592), (103296, 195630), (104336, 193680), (117378, 172160), (129120, 156504), (130420, 154944)]