20742274080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21467}}^1$

素因数の和:21560

約数の個数: 288

約数和(自身を含む): 78487351488

約数和(自身を除く): 57745077408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 61, 66, 72, 80, 88, 90, 96, 99, 110, 120, 122, 132, 144, 160, 165, 176, 180, 183, 198, 220, 240, 244, 264, 288, 305, 330, 352, 360, 366, 396, 440, 480, 488, 495, 528, 549, 610, 660, 671, 720, 732, 792, 880, 915, 976, 990, 1056, 1098, 1220, 1320, 1342, 1440, 1464, 1584, 1760, 1830, 1952, 1980, 2013, 2196, 2440, 2640, 2684, 2745, 2928, 3168, 3355, 3660, 3960, 4026, 4392, 4880, 5280, 5368, 5490, 5856, 6039, 6710, 7320, 7920, 8052, 8784, 9760, 10065, 10736, 10980, 12078, 13420, 14640, 15840, 16104, 17568, 20130, 21467, 21472, 21960, 24156, 26840, 29280, 30195, 32208, 40260, 42934, 43920, 48312, 53680, 60390, 64401, 64416, 80520, 85868, 87840, 96624, 107335, 107360, 120780, 128802, 161040, 171736, 193203, 193248, 214670, 236137, 241560, 257604, 322005, 322080, 343472, 386406, 429340, 472274, 483120, 515208, 644010, 686944, 708411, 772812, 858680, 944548, 966015, 966240, 1030416, 1180685, 1288020, 1309487, 1416822, 1545624, 1717360, 1889096, 1932030, 2060832, 2125233, 2361370, 2576040, 2618974, 2833644, 3091248, 3434720, 3542055, 3778192, 3864060, 3928461, 4250466, 4722740, 5152080, 5237948, 5667288, 6182496, 6547435, 7084110, 7556384, 7728120, 7856922, 8500932, 9445480, 10304160, 10475896, 10626165, 11334576, 11785383, 13094870, 14168220, 14404357, 15456240, 15713844, 17001864, 18890960, 19642305, 20951792, 21252330, 22669152, 23570766, 26189740, 28336440, 28808714, 30912480, 31427688, 34003728, 37781920, 39284610, 41903584, 42504660, 43213071, 47141532, 52379480, 56672880, 57617428, 58926915, 62855376, 68007456, 72021785, 78569220, 85009320, 86426142, 94283064, 104758960, 113345760, 115234856, 117853830, 125710752, 129639213, 144043570, 157138440, 170018640, 172852284, 188566128, 209517920, 216065355, 230469712, 235707660, 259278426, 288087140, 314276880, 340037280, 345704568, 377132256, 432130710, 460939424, 471415320, 518556852, 576174280, 628553760, 648196065, 691409136, 864261420, 942830640, 1037113704, 1152348560, 1296392130, 1382818272, 1728522840, 1885661280, 2074227408, 2304697120, 2592784260, 3457045680, 4148454816, 5185568520, 6914091360, 10371137040, 20742274080]

約数ペア:

[(1, 20742274080), (2, 10371137040), (3, 6914091360), (4, 5185568520), (5, 4148454816), (6, 3457045680), (8, 2592784260), (9, 2304697120), (10, 2074227408), (11, 1885661280), (12, 1728522840), (15, 1382818272), (16, 1296392130), (18, 1152348560), (20, 1037113704), (22, 942830640), (24, 864261420), (30, 691409136), (32, 648196065), (33, 628553760), (36, 576174280), (40, 518556852), (44, 471415320), (45, 460939424), (48, 432130710), (55, 377132256), (60, 345704568), (61, 340037280), (66, 314276880), (72, 288087140), (80, 259278426), (88, 235707660), (90, 230469712), (96, 216065355), (99, 209517920), (110, 188566128), (120, 172852284), (122, 170018640), (132, 157138440), (144, 144043570), (160, 129639213), (165, 125710752), (176, 117853830), (180, 115234856), (183, 113345760), (198, 104758960), (220, 94283064), (240, 86426142), (244, 85009320), (264, 78569220), (288, 72021785), (305, 68007456), (330, 62855376), (352, 58926915), (360, 57617428), (366, 56672880), (396, 52379480), (440, 47141532), (480, 43213071), (488, 42504660), (495, 41903584), (528, 39284610), (549, 37781920), (610, 34003728), (660, 31427688), (671, 30912480), (720, 28808714), (732, 28336440), (792, 26189740), (880, 23570766), (915, 22669152), (976, 21252330), (990, 20951792), (1056, 19642305), (1098, 18890960), (1220, 17001864), (1320, 15713844), (1342, 15456240), (1440, 14404357), (1464, 14168220), (1584, 13094870), (1760, 11785383), (1830, 11334576), (1952, 10626165), (1980, 10475896), (2013, 10304160), (2196, 9445480), (2440, 8500932), (2640, 7856922), (2684, 7728120), (2745, 7556384), (2928, 7084110), (3168, 6547435), (3355, 6182496), (3660, 5667288), (3960, 5237948), (4026, 5152080), (4392, 4722740), (4880, 4250466), (5280, 3928461), (5368, 3864060), (5490, 3778192), (5856, 3542055), (6039, 3434720), (6710, 3091248), (7320, 2833644), (7920, 2618974), (8052, 2576040), (8784, 2361370), (9760, 2125233), (10065, 2060832), (10736, 1932030), (10980, 1889096), (12078, 1717360), (13420, 1545624), (14640, 1416822), (15840, 1309487), (16104, 1288020), (17568, 1180685), (20130, 1030416), (21467, 966240), (21472, 966015), (21960, 944548), (24156, 858680), (26840, 772812), (29280, 708411), (30195, 686944), (32208, 644010), (40260, 515208), (42934, 483120), (43920, 472274), (48312, 429340), (53680, 386406), (60390, 343472), (64401, 322080), (64416, 322005), (80520, 257604), (85868, 241560), (87840, 236137), (96624, 214670), (107335, 193248), (107360, 193203), (120780, 171736), (128802, 161040)]