20870801280

素因数分解:

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

素因数の和:356

約数の個数: 576

約数和(自身を含む): 86536738800

約数和(自身を除く): 65665937520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 157, 160, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 314, 315, 320, 336, 360, 378, 384, 392, 420, 432, 441, 448, 471, 480, 490, 504, 540, 560, 576, 588, 628, 630, 640, 672, 720, 735, 756, 784, 785, 840, 864, 882, 896, 942, 945, 960, 980, 1008, 1080, 1099, 1120, 1152, 1176, 1256, 1260, 1323, 1344, 1413, 1440, 1470, 1512, 1568, 1570, 1680, 1728, 1764, 1884, 1890, 1920, 1960, 2016, 2160, 2198, 2205, 2240, 2352, 2355, 2512, 2520, 2646, 2688, 2826, 2880, 2940, 3024, 3136, 3140, 3297, 3360, 3456, 3528, 3768, 3780, 3920, 4032, 4239, 4320, 4396, 4410, 4480, 4704, 4710, 5024, 5040, 5292, 5495, 5652, 5760, 5880, 6048, 6272, 6280, 6594, 6615, 6720, 7056, 7065, 7536, 7560, 7693, 7840, 8064, 8478, 8640, 8792, 8820, 9408, 9420, 9891, 10048, 10080, 10584, 10990, 11304, 11760, 12096, 12560, 13188, 13230, 13440, 14112, 14130, 15072, 15120, 15386, 15680, 16485, 16956, 17280, 17584, 17640, 18816, 18840, 19782, 20096, 20160, 21168, 21195, 21980, 22608, 23079, 23520, 24192, 24649, 25120, 26376, 26460, 28224, 28260, 29673, 30144, 30240, 30772, 31360, 32970, 33912, 35168, 35280, 37680, 38465, 39564, 40320, 42336, 42390, 43960, 45216, 46158, 47040, 49298, 49455, 50240, 52752, 52920, 56448, 56520, 59346, 60288, 60480, 61544, 65940, 67824, 69237, 70336, 70560, 73947, 75360, 76930, 79128, 84672, 84780, 87920, 90432, 92316, 94080, 98596, 98910, 100480, 105504, 105840, 113040, 115395, 118692, 120960, 123088, 123245, 131880, 135648, 138474, 140672, 141120, 147894, 148365, 150720, 153860, 158256, 169344, 169560, 172543, 175840, 180864, 184632, 197192, 197820, 207711, 211008, 211680, 221841, 226080, 230790, 237384, 246176, 246490, 263760, 271296, 276948, 282240, 295788, 296730, 301440, 307720, 316512, 339120, 345086, 346185, 351680, 369264, 369735, 394384, 395640, 415422, 422016, 423360, 443682, 452160, 461580, 474768, 492352, 492980, 517629, 527520, 542592, 553896, 591576, 593460, 615440, 633024, 665523, 678240, 690172, 692370, 703360, 738528, 739470, 788768, 791280, 830844, 846720, 862715, 887364, 904320, 923160, 949536, 984704, 985960, 1035258, 1038555, 1055040, 1107792, 1109205, 1183152, 1186920, 1207801, 1230880, 1266048, 1331046, 1356480, 1380344, 1384740, 1477056, 1478940, 1552887, 1577536, 1582560, 1661688, 1725430, 1774728, 1846320, 1899072, 1971920, 2070516, 2077110, 2110080, 2215584, 2218410, 2366304, 2373840, 2415602, 2461760, 2588145, 2662092, 2712960, 2760688, 2769480, 2954112, 2957880, 3105774, 3155072, 3165120, 3323376, 3327615, 3450860, 3549456, 3623403, 3692640, 3798144, 3943840, 4141032, 4154220, 4431168, 4436820, 4658661, 4732608, 4747680, 4831204, 4923520, 5176290, 5324184, 5521376, 5538960, 5915760, 6039005, 6211548, 6330240, 6646752, 6655230, 6901720, 7098912, 7246806, 7385280, 7764435, 7887680, 8282064, 8308440, 8862336, 8873640, 9317322, 9465216, 9495360, 9662408, 10352580, 10648368, 10870209, 11042752, 11077920, 11831520, 12078010, 12423096, 13293504, 13310460, 13803440, 14197824, 14493612, 14770560, 15528870, 15775360, 16564128, 16616880, 17747280, 18117015, 18634644, 18990720, 19324816, 20705160, 21296736, 21740418, 22085504, 22155840, 23293305, 23663040, 24156020, 24846192, 26587008, 26620920, 27606880, 28395648, 28987224, 31057740, 32610627, 33128256, 33233760, 35494560, 36234030, 37269288, 38649632, 41410320, 42593472, 43480836, 44311680, 46586610, 47326080, 48312040, 49692384, 53241840, 54351045, 55213760, 57974448, 62115480, 65221254, 66256512, 66467520, 70989120, 72468060, 74538576, 77299264, 82820640, 85186944, 86961672, 93173220, 96624080, 99384768, 106483680, 108702090, 110427520, 115948896, 124230960, 130442508, 132935040, 141978240, 144936120, 149077152, 154598528, 163053135, 165641280, 173923344, 186346440, 193248160, 198769536, 212967360, 217404180, 231897792, 248461920, 260885016, 289872240, 298154304, 326106270, 331282560, 347846688, 372692880, 386496320, 425934720, 434808360, 463795584, 496923840, 521770032, 579744480, 596308608, 652212540, 695693376, 745385760, 772992640, 869616720, 993847680, 1043540064, 1159488960, 1304425080, 1391386752, 1490771520, 1739233440, 2087080128, 2318977920, 2608850160, 2981543040, 3478466880, 4174160256, 5217700320, 6956933760, 10435400640, 20870801280]

約数ペア:

[(1, 20870801280), (2, 10435400640), (3, 6956933760), (4, 5217700320), (5, 4174160256), (6, 3478466880), (7, 2981543040), (8, 2608850160), (9, 2318977920), (10, 2087080128), (12, 1739233440), (14, 1490771520), (15, 1391386752), (16, 1304425080), (18, 1159488960), (20, 1043540064), (21, 993847680), (24, 869616720), (27, 772992640), (28, 745385760), (30, 695693376), (32, 652212540), (35, 596308608), (36, 579744480), (40, 521770032), (42, 496923840), (45, 463795584), (48, 434808360), (49, 425934720), (54, 386496320), (56, 372692880), (60, 347846688), (63, 331282560), (64, 326106270), (70, 298154304), (72, 289872240), (80, 260885016), (84, 248461920), (90, 231897792), (96, 217404180), (98, 212967360), (105, 198769536), (108, 193248160), (112, 186346440), (120, 173923344), (126, 165641280), (128, 163053135), (135, 154598528), (140, 149077152), (144, 144936120), (147, 141978240), (157, 132935040), (160, 130442508), (168, 124230960), (180, 115948896), (189, 110427520), (192, 108702090), (196, 106483680), (210, 99384768), (216, 96624080), (224, 93173220), (240, 86961672), (245, 85186944), (252, 82820640), (270, 77299264), (280, 74538576), (288, 72468060), (294, 70989120), (314, 66467520), (315, 66256512), (320, 65221254), (336, 62115480), (360, 57974448), (378, 55213760), (384, 54351045), (392, 53241840), (420, 49692384), (432, 48312040), (441, 47326080), (448, 46586610), (471, 44311680), (480, 43480836), (490, 42593472), (504, 41410320), (540, 38649632), (560, 37269288), (576, 36234030), (588, 35494560), (628, 33233760), (630, 33128256), (640, 32610627), (672, 31057740), (720, 28987224), (735, 28395648), (756, 27606880), (784, 26620920), (785, 26587008), (840, 24846192), (864, 24156020), (882, 23663040), (896, 23293305), (942, 22155840), (945, 22085504), (960, 21740418), (980, 21296736), (1008, 20705160), (1080, 19324816), (1099, 18990720), (1120, 18634644), (1152, 18117015), (1176, 17747280), (1256, 16616880), (1260, 16564128), (1323, 15775360), (1344, 15528870), (1413, 14770560), (1440, 14493612), (1470, 14197824), (1512, 13803440), (1568, 13310460), (1570, 13293504), (1680, 12423096), (1728, 12078010), (1764, 11831520), (1884, 11077920), (1890, 11042752), (1920, 10870209), (1960, 10648368), (2016, 10352580), (2160, 9662408), (2198, 9495360), (2205, 9465216), (2240, 9317322), (2352, 8873640), (2355, 8862336), (2512, 8308440), (2520, 8282064), (2646, 7887680), (2688, 7764435), (2826, 7385280), (2880, 7246806), (2940, 7098912), (3024, 6901720), (3136, 6655230), (3140, 6646752), (3297, 6330240), (3360, 6211548), (3456, 6039005), (3528, 5915760), (3768, 5538960), (3780, 5521376), (3920, 5324184), (4032, 5176290), (4239, 4923520), (4320, 4831204), (4396, 4747680), (4410, 4732608), (4480, 4658661), (4704, 4436820), (4710, 4431168), (5024, 4154220), (5040, 4141032), (5292, 3943840), (5495, 3798144), (5652, 3692640), (5760, 3623403), (5880, 3549456), (6048, 3450860), (6272, 3327615), (6280, 3323376), (6594, 3165120), (6615, 3155072), (6720, 3105774), (7056, 2957880), (7065, 2954112), (7536, 2769480), (7560, 2760688), (7693, 2712960), (7840, 2662092), (8064, 2588145), (8478, 2461760), (8640, 2415602), (8792, 2373840), (8820, 2366304), (9408, 2218410), (9420, 2215584), (9891, 2110080), (10048, 2077110), (10080, 2070516), (10584, 1971920), (10990, 1899072), (11304, 1846320), (11760, 1774728), (12096, 1725430), (12560, 1661688), (13188, 1582560), (13230, 1577536), (13440, 1552887), (14112, 1478940), (14130, 1477056), (15072, 1384740), (15120, 1380344), (15386, 1356480), (15680, 1331046), (16485, 1266048), (16956, 1230880), (17280, 1207801), (17584, 1186920), (17640, 1183152), (18816, 1109205), (18840, 1107792), (19782, 1055040), (20096, 1038555), (20160, 1035258), (21168, 985960), (21195, 984704), (21980, 949536), (22608, 923160), (23079, 904320), (23520, 887364), (24192, 862715), (24649, 846720), (25120, 830844), (26376, 791280), (26460, 788768), (28224, 739470), (28260, 738528), (29673, 703360), (30144, 692370), (30240, 690172), (30772, 678240), (31360, 665523), (32970, 633024), (33912, 615440), (35168, 593460), (35280, 591576), (37680, 553896), (38465, 542592), (39564, 527520), (40320, 517629), (42336, 492980), (42390, 492352), (43960, 474768), (45216, 461580), (46158, 452160), (47040, 443682), (49298, 423360), (49455, 422016), (50240, 415422), (52752, 395640), (52920, 394384), (56448, 369735), (56520, 369264), (59346, 351680), (60288, 346185), (60480, 345086), (61544, 339120), (65940, 316512), (67824, 307720), (69237, 301440), (70336, 296730), (70560, 295788), (73947, 282240), (75360, 276948), (76930, 271296), (79128, 263760), (84672, 246490), (84780, 246176), (87920, 237384), (90432, 230790), (92316, 226080), (94080, 221841), (98596, 211680), (98910, 211008), (100480, 207711), (105504, 197820), (105840, 197192), (113040, 184632), (115395, 180864), (118692, 175840), (120960, 172543), (123088, 169560), (123245, 169344), (131880, 158256), (135648, 153860), (138474, 150720), (140672, 148365), (141120, 147894)]