20784080640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1879

約数の個数: 288

約数和(自身を含む): 69804725760

約数和(自身を除く): 49020645120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 139, 160, 184, 192, 230, 240, 256, 276, 278, 320, 345, 368, 384, 417, 460, 480, 552, 556, 640, 690, 695, 736, 768, 834, 920, 960, 1104, 1112, 1280, 1380, 1390, 1472, 1668, 1693, 1840, 1920, 2085, 2208, 2224, 2760, 2780, 2944, 3197, 3336, 3386, 3680, 3840, 4170, 4416, 4448, 5079, 5520, 5560, 5888, 6394, 6672, 6772, 7360, 8340, 8465, 8832, 8896, 9591, 10158, 11040, 11120, 12788, 13344, 13544, 14720, 15985, 16680, 16930, 17664, 17792, 19182, 20316, 22080, 22240, 25395, 25576, 26688, 27088, 29440, 31970, 33360, 33860, 35584, 38364, 38939, 40632, 44160, 44480, 47955, 50790, 51152, 53376, 54176, 63940, 66720, 67720, 76728, 77878, 81264, 88320, 88960, 95910, 101580, 102304, 106752, 108352, 116817, 127880, 133440, 135440, 153456, 155756, 162528, 177920, 191820, 194695, 203160, 204608, 216704, 233634, 235327, 255760, 266880, 270880, 306912, 311512, 325056, 383640, 389390, 406320, 409216, 433408, 467268, 470654, 511520, 533760, 541760, 584085, 613824, 623024, 650112, 705981, 767280, 778780, 812640, 818432, 934536, 941308, 1023040, 1083520, 1168170, 1176635, 1227648, 1246048, 1300224, 1411962, 1534560, 1557560, 1625280, 1869072, 1882616, 2046080, 2167040, 2336340, 2353270, 2455296, 2492096, 2823924, 3069120, 3115120, 3250560, 3529905, 3738144, 3765232, 4092160, 4672680, 4706540, 4984192, 5412521, 5647848, 6138240, 6230240, 6501120, 7059810, 7476288, 7530464, 9345360, 9413080, 9968384, 10825042, 11295696, 12276480, 12460480, 14119620, 14952576, 15060928, 16237563, 18690720, 18826160, 21650084, 22591392, 24920960, 27062605, 28239240, 29905152, 30121856, 32475126, 37381440, 37652320, 43300168, 45182784, 49841920, 54125210, 56478480, 60243712, 64950252, 74762880, 75304640, 81187815, 86600336, 90365568, 108250420, 112956960, 129900504, 149525760, 150609280, 162375630, 173200672, 180731136, 216500840, 225913920, 259801008, 301218560, 324751260, 346401344, 433001680, 451827840, 519602016, 649502520, 692802688, 866003360, 903655680, 1039204032, 1299005040, 1385605376, 1732006720, 2078408064, 2598010080, 3464013440, 4156816128, 5196020160, 6928026880, 10392040320, 20784080640]

約数ペア:

[(1, 20784080640), (2, 10392040320), (3, 6928026880), (4, 5196020160), (5, 4156816128), (6, 3464013440), (8, 2598010080), (10, 2078408064), (12, 1732006720), (15, 1385605376), (16, 1299005040), (20, 1039204032), (23, 903655680), (24, 866003360), (30, 692802688), (32, 649502520), (40, 519602016), (46, 451827840), (48, 433001680), (60, 346401344), (64, 324751260), (69, 301218560), (80, 259801008), (92, 225913920), (96, 216500840), (115, 180731136), (120, 173200672), (128, 162375630), (138, 150609280), (139, 149525760), (160, 129900504), (184, 112956960), (192, 108250420), (230, 90365568), (240, 86600336), (256, 81187815), (276, 75304640), (278, 74762880), (320, 64950252), (345, 60243712), (368, 56478480), (384, 54125210), (417, 49841920), (460, 45182784), (480, 43300168), (552, 37652320), (556, 37381440), (640, 32475126), (690, 30121856), (695, 29905152), (736, 28239240), (768, 27062605), (834, 24920960), (920, 22591392), (960, 21650084), (1104, 18826160), (1112, 18690720), (1280, 16237563), (1380, 15060928), (1390, 14952576), (1472, 14119620), (1668, 12460480), (1693, 12276480), (1840, 11295696), (1920, 10825042), (2085, 9968384), (2208, 9413080), (2224, 9345360), (2760, 7530464), (2780, 7476288), (2944, 7059810), (3197, 6501120), (3336, 6230240), (3386, 6138240), (3680, 5647848), (3840, 5412521), (4170, 4984192), (4416, 4706540), (4448, 4672680), (5079, 4092160), (5520, 3765232), (5560, 3738144), (5888, 3529905), (6394, 3250560), (6672, 3115120), (6772, 3069120), (7360, 2823924), (8340, 2492096), (8465, 2455296), (8832, 2353270), (8896, 2336340), (9591, 2167040), (10158, 2046080), (11040, 1882616), (11120, 1869072), (12788, 1625280), (13344, 1557560), (13544, 1534560), (14720, 1411962), (15985, 1300224), (16680, 1246048), (16930, 1227648), (17664, 1176635), (17792, 1168170), (19182, 1083520), (20316, 1023040), (22080, 941308), (22240, 934536), (25395, 818432), (25576, 812640), (26688, 778780), (27088, 767280), (29440, 705981), (31970, 650112), (33360, 623024), (33860, 613824), (35584, 584085), (38364, 541760), (38939, 533760), (40632, 511520), (44160, 470654), (44480, 467268), (47955, 433408), (50790, 409216), (51152, 406320), (53376, 389390), (54176, 383640), (63940, 325056), (66720, 311512), (67720, 306912), (76728, 270880), (77878, 266880), (81264, 255760), (88320, 235327), (88960, 233634), (95910, 216704), (101580, 204608), (102304, 203160), (106752, 194695), (108352, 191820), (116817, 177920), (127880, 162528), (133440, 155756), (135440, 153456)]