20778140160

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8929}}^1$

素因数の和:9059

約数の個数: 240

約数和(自身を含む): 72681162840

約数和(自身を除く): 51903022680

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, 101, 120, 128, 144, 160, 180, 192, 202, 240, 256, 288, 303, 320, 360, 384, 404, 480, 505, 512, 576, 606, 640, 720, 768, 808, 909, 960, 1010, 1152, 1212, 1280, 1440, 1515, 1536, 1616, 1818, 1920, 2020, 2304, 2424, 2560, 2880, 3030, 3232, 3636, 3840, 4040, 4545, 4608, 4848, 5760, 6060, 6464, 7272, 7680, 8080, 8929, 9090, 9696, 11520, 12120, 12928, 14544, 16160, 17858, 18180, 19392, 23040, 24240, 25856, 26787, 29088, 32320, 35716, 36360, 38784, 44645, 48480, 51712, 53574, 58176, 64640, 71432, 72720, 77568, 80361, 89290, 96960, 107148, 116352, 129280, 133935, 142864, 145440, 155136, 160722, 178580, 193920, 214296, 232704, 258560, 267870, 285728, 290880, 321444, 357160, 387840, 401805, 428592, 465408, 535740, 571456, 581760, 642888, 714320, 775680, 803610, 857184, 901829, 1071480, 1142912, 1163520, 1285776, 1428640, 1607220, 1714368, 1803658, 2142960, 2285824, 2327040, 2571552, 2705487, 2857280, 3214440, 3428736, 3607316, 4285920, 4509145, 4571648, 5143104, 5410974, 5714560, 6428880, 6857472, 7214632, 8116461, 8571840, 9018290, 10286208, 10821948, 11429120, 12857760, 13527435, 13714944, 14429264, 16232922, 17143680, 18036580, 20572416, 21643896, 22858240, 25715520, 27054870, 28858528, 32465844, 34287360, 36073160, 40582305, 41144832, 43287792, 51431040, 54109740, 57717056, 64931688, 68574720, 72146320, 81164610, 86575584, 102862080, 108219480, 115434112, 129863376, 144292640, 162329220, 173151168, 205724160, 216438960, 230868224, 259726752, 288585280, 324658440, 346302336, 432877920, 461736448, 519453504, 577170560, 649316880, 692604672, 865755840, 1038907008, 1154341120, 1298633760, 1385209344, 1731511680, 2077814016, 2308682240, 2597267520, 3463023360, 4155628032, 5194535040, 6926046720, 10389070080, 20778140160]

約数ペア:

[(1, 20778140160), (2, 10389070080), (3, 6926046720), (4, 5194535040), (5, 4155628032), (6, 3463023360), (8, 2597267520), (9, 2308682240), (10, 2077814016), (12, 1731511680), (15, 1385209344), (16, 1298633760), (18, 1154341120), (20, 1038907008), (24, 865755840), (30, 692604672), (32, 649316880), (36, 577170560), (40, 519453504), (45, 461736448), (48, 432877920), (60, 346302336), (64, 324658440), (72, 288585280), (80, 259726752), (90, 230868224), (96, 216438960), (101, 205724160), (120, 173151168), (128, 162329220), (144, 144292640), (160, 129863376), (180, 115434112), (192, 108219480), (202, 102862080), (240, 86575584), (256, 81164610), (288, 72146320), (303, 68574720), (320, 64931688), (360, 57717056), (384, 54109740), (404, 51431040), (480, 43287792), (505, 41144832), (512, 40582305), (576, 36073160), (606, 34287360), (640, 32465844), (720, 28858528), (768, 27054870), (808, 25715520), (909, 22858240), (960, 21643896), (1010, 20572416), (1152, 18036580), (1212, 17143680), (1280, 16232922), (1440, 14429264), (1515, 13714944), (1536, 13527435), (1616, 12857760), (1818, 11429120), (1920, 10821948), (2020, 10286208), (2304, 9018290), (2424, 8571840), (2560, 8116461), (2880, 7214632), (3030, 6857472), (3232, 6428880), (3636, 5714560), (3840, 5410974), (4040, 5143104), (4545, 4571648), (4608, 4509145), (4848, 4285920), (5760, 3607316), (6060, 3428736), (6464, 3214440), (7272, 2857280), (7680, 2705487), (8080, 2571552), (8929, 2327040), (9090, 2285824), (9696, 2142960), (11520, 1803658), (12120, 1714368), (12928, 1607220), (14544, 1428640), (16160, 1285776), (17858, 1163520), (18180, 1142912), (19392, 1071480), (23040, 901829), (24240, 857184), (25856, 803610), (26787, 775680), (29088, 714320), (32320, 642888), (35716, 581760), (36360, 571456), (38784, 535740), (44645, 465408), (48480, 428592), (51712, 401805), (53574, 387840), (58176, 357160), (64640, 321444), (71432, 290880), (72720, 285728), (77568, 267870), (80361, 258560), (89290, 232704), (96960, 214296), (107148, 193920), (116352, 178580), (129280, 160722), (133935, 155136), (142864, 145440)]