20476475520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1979}}^1$

素因数の和:2335

約数の個数: 256

約数和(自身を含む): 69361142400

約数和(自身を除く): 48884666880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 317, 320, 340, 384, 408, 480, 510, 544, 634, 640, 680, 816, 951, 960, 1020, 1088, 1268, 1360, 1585, 1632, 1902, 1920, 1979, 2040, 2176, 2536, 2720, 3170, 3264, 3804, 3958, 4080, 4755, 5072, 5389, 5440, 5937, 6340, 6528, 7608, 7916, 8160, 9510, 9895, 10144, 10778, 10880, 11874, 12680, 15216, 15832, 16167, 16320, 19020, 19790, 20288, 21556, 23748, 25360, 26945, 29685, 30432, 31664, 32334, 32640, 33643, 38040, 39580, 40576, 43112, 47496, 50720, 53890, 59370, 60864, 63328, 64668, 67286, 76080, 79160, 80835, 86224, 94992, 100929, 101440, 107780, 118740, 121728, 126656, 129336, 134572, 152160, 158320, 161670, 168215, 172448, 189984, 201858, 202880, 215560, 237480, 253312, 258672, 269144, 304320, 316640, 323340, 336430, 344896, 379968, 403716, 431120, 474960, 504645, 517344, 538288, 608640, 627343, 633280, 646680, 672860, 689792, 759936, 807432, 862240, 949920, 1009290, 1034688, 1076576, 1254686, 1266560, 1293360, 1345720, 1614864, 1724480, 1882029, 1899840, 2018580, 2069376, 2153152, 2509372, 2586720, 2691440, 3136715, 3229728, 3448960, 3764058, 3799680, 4037160, 4306304, 5018744, 5173440, 5382880, 6273430, 6459456, 7528116, 8074320, 9410145, 10037488, 10346880, 10664831, 10765760, 12546860, 12918912, 15056232, 16148640, 18820290, 20074976, 21329662, 21531520, 25093720, 30112464, 31994493, 32297280, 37640580, 40149952, 42659324, 50187440, 53324155, 60224928, 63988986, 64594560, 75281160, 80299904, 85318648, 100374880, 106648310, 120449856, 127977972, 150562320, 159972465, 170637296, 200749760, 213296620, 240899712, 255955944, 301124640, 319944930, 341274592, 401499520, 426593240, 511911888, 602249280, 639889860, 682549184, 853186480, 1023823776, 1204498560, 1279779720, 1365098368, 1706372960, 2047647552, 2559559440, 3412745920, 4095295104, 5119118880, 6825491840, 10238237760, 20476475520]

約数ペア:

[(1, 20476475520), (2, 10238237760), (3, 6825491840), (4, 5119118880), (5, 4095295104), (6, 3412745920), (8, 2559559440), (10, 2047647552), (12, 1706372960), (15, 1365098368), (16, 1279779720), (17, 1204498560), (20, 1023823776), (24, 853186480), (30, 682549184), (32, 639889860), (34, 602249280), (40, 511911888), (48, 426593240), (51, 401499520), (60, 341274592), (64, 319944930), (68, 301124640), (80, 255955944), (85, 240899712), (96, 213296620), (102, 200749760), (120, 170637296), (128, 159972465), (136, 150562320), (160, 127977972), (170, 120449856), (192, 106648310), (204, 100374880), (240, 85318648), (255, 80299904), (272, 75281160), (317, 64594560), (320, 63988986), (340, 60224928), (384, 53324155), (408, 50187440), (480, 42659324), (510, 40149952), (544, 37640580), (634, 32297280), (640, 31994493), (680, 30112464), (816, 25093720), (951, 21531520), (960, 21329662), (1020, 20074976), (1088, 18820290), (1268, 16148640), (1360, 15056232), (1585, 12918912), (1632, 12546860), (1902, 10765760), (1920, 10664831), (1979, 10346880), (2040, 10037488), (2176, 9410145), (2536, 8074320), (2720, 7528116), (3170, 6459456), (3264, 6273430), (3804, 5382880), (3958, 5173440), (4080, 5018744), (4755, 4306304), (5072, 4037160), (5389, 3799680), (5440, 3764058), (5937, 3448960), (6340, 3229728), (6528, 3136715), (7608, 2691440), (7916, 2586720), (8160, 2509372), (9510, 2153152), (9895, 2069376), (10144, 2018580), (10778, 1899840), (10880, 1882029), (11874, 1724480), (12680, 1614864), (15216, 1345720), (15832, 1293360), (16167, 1266560), (16320, 1254686), (19020, 1076576), (19790, 1034688), (20288, 1009290), (21556, 949920), (23748, 862240), (25360, 807432), (26945, 759936), (29685, 689792), (30432, 672860), (31664, 646680), (32334, 633280), (32640, 627343), (33643, 608640), (38040, 538288), (39580, 517344), (40576, 504645), (43112, 474960), (47496, 431120), (50720, 403716), (53890, 379968), (59370, 344896), (60864, 336430), (63328, 323340), (64668, 316640), (67286, 304320), (76080, 269144), (79160, 258672), (80835, 253312), (86224, 237480), (94992, 215560), (100929, 202880), (101440, 201858), (107780, 189984), (118740, 172448), (121728, 168215), (126656, 161670), (129336, 158320), (134572, 152160)]