20512690560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7561}}^1$

素因数の和:7746

約数の個数: 256

約数和(自身を含む): 73121515200

約数和(自身を除く): 52608824640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 157, 160, 180, 192, 216, 240, 270, 288, 314, 320, 360, 384, 432, 471, 480, 540, 576, 628, 640, 720, 785, 864, 942, 960, 1080, 1152, 1256, 1413, 1440, 1570, 1728, 1884, 1920, 2160, 2355, 2512, 2826, 2880, 3140, 3456, 3768, 4239, 4320, 4710, 5024, 5652, 5760, 6280, 7065, 7536, 7561, 8478, 8640, 9420, 10048, 11304, 12560, 14130, 15072, 15122, 16956, 17280, 18840, 20096, 21195, 22608, 22683, 25120, 28260, 30144, 30244, 33912, 37680, 37805, 42390, 45216, 45366, 50240, 56520, 60288, 60488, 67824, 68049, 75360, 75610, 84780, 90432, 90732, 100480, 113040, 113415, 120976, 135648, 136098, 150720, 151220, 169560, 180864, 181464, 204147, 226080, 226830, 241952, 271296, 272196, 301440, 302440, 339120, 340245, 362928, 408294, 452160, 453660, 483904, 542592, 544392, 604880, 678240, 680490, 725856, 816588, 904320, 907320, 967808, 1020735, 1088784, 1187077, 1209760, 1356480, 1360980, 1451712, 1633176, 1814640, 2041470, 2177568, 2374154, 2419520, 2712960, 2721960, 2903424, 3266352, 3561231, 3629280, 4082940, 4355136, 4748308, 4839040, 5443920, 5935385, 6532704, 7122462, 7258560, 8165880, 8710272, 9496616, 10683693, 10887840, 11870770, 13065408, 14244924, 14517120, 16331760, 17806155, 18993232, 21367386, 21775680, 23741540, 26130816, 28489848, 32051079, 32663520, 35612310, 37986464, 42734772, 43551360, 47483080, 53418465, 56979696, 64102158, 65327040, 71224620, 75972928, 85469544, 94966160, 106836930, 113959392, 128204316, 130654080, 142449240, 151945856, 160255395, 170939088, 189932320, 213673860, 227918784, 256408632, 284898480, 320510790, 341878176, 379864640, 427347720, 455837568, 512817264, 569796960, 641021580, 683756352, 759729280, 854695440, 1025634528, 1139593920, 1282043160, 1367512704, 1709390880, 2051269056, 2279187840, 2564086320, 3418781760, 4102538112, 5128172640, 6837563520, 10256345280, 20512690560]

約数ペア:

[(1, 20512690560), (2, 10256345280), (3, 6837563520), (4, 5128172640), (5, 4102538112), (6, 3418781760), (8, 2564086320), (9, 2279187840), (10, 2051269056), (12, 1709390880), (15, 1367512704), (16, 1282043160), (18, 1139593920), (20, 1025634528), (24, 854695440), (27, 759729280), (30, 683756352), (32, 641021580), (36, 569796960), (40, 512817264), (45, 455837568), (48, 427347720), (54, 379864640), (60, 341878176), (64, 320510790), (72, 284898480), (80, 256408632), (90, 227918784), (96, 213673860), (108, 189932320), (120, 170939088), (128, 160255395), (135, 151945856), (144, 142449240), (157, 130654080), (160, 128204316), (180, 113959392), (192, 106836930), (216, 94966160), (240, 85469544), (270, 75972928), (288, 71224620), (314, 65327040), (320, 64102158), (360, 56979696), (384, 53418465), (432, 47483080), (471, 43551360), (480, 42734772), (540, 37986464), (576, 35612310), (628, 32663520), (640, 32051079), (720, 28489848), (785, 26130816), (864, 23741540), (942, 21775680), (960, 21367386), (1080, 18993232), (1152, 17806155), (1256, 16331760), (1413, 14517120), (1440, 14244924), (1570, 13065408), (1728, 11870770), (1884, 10887840), (1920, 10683693), (2160, 9496616), (2355, 8710272), (2512, 8165880), (2826, 7258560), (2880, 7122462), (3140, 6532704), (3456, 5935385), (3768, 5443920), (4239, 4839040), (4320, 4748308), (4710, 4355136), (5024, 4082940), (5652, 3629280), (5760, 3561231), (6280, 3266352), (7065, 2903424), (7536, 2721960), (7561, 2712960), (8478, 2419520), (8640, 2374154), (9420, 2177568), (10048, 2041470), (11304, 1814640), (12560, 1633176), (14130, 1451712), (15072, 1360980), (15122, 1356480), (16956, 1209760), (17280, 1187077), (18840, 1088784), (20096, 1020735), (21195, 967808), (22608, 907320), (22683, 904320), (25120, 816588), (28260, 725856), (30144, 680490), (30244, 678240), (33912, 604880), (37680, 544392), (37805, 542592), (42390, 483904), (45216, 453660), (45366, 452160), (50240, 408294), (56520, 362928), (60288, 340245), (60488, 339120), (67824, 302440), (68049, 301440), (75360, 272196), (75610, 271296), (84780, 241952), (90432, 226830), (90732, 226080), (100480, 204147), (113040, 181464), (113415, 180864), (120976, 169560), (135648, 151220), (136098, 150720)]