256828320

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 480

約数和(自身を含む): 1097712000

約数和(自身を除く): 840883680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 149, 152, 160, 162, 168, 171, 180, 189, 190, 210, 216, 224, 228, 240, 252, 266, 270, 280, 285, 288, 298, 304, 315, 324, 336, 342, 360, 378, 380, 399, 405, 420, 432, 447, 456, 480, 504, 513, 532, 540, 560, 567, 570, 596, 608, 630, 648, 665, 672, 684, 720, 745, 756, 760, 798, 810, 840, 855, 864, 894, 912, 945, 1008, 1026, 1043, 1064, 1080, 1120, 1134, 1140, 1192, 1197, 1260, 1296, 1330, 1341, 1368, 1440, 1490, 1512, 1520, 1539, 1596, 1620, 1680, 1710, 1788, 1824, 1890, 1995, 2016, 2052, 2086, 2128, 2160, 2235, 2268, 2280, 2384, 2394, 2520, 2565, 2592, 2660, 2682, 2736, 2831, 2835, 2980, 3024, 3040, 3078, 3129, 3192, 3240, 3360, 3420, 3576, 3591, 3780, 3990, 4023, 4104, 4172, 4256, 4320, 4470, 4536, 4560, 4768, 4788, 5040, 5130, 5215, 5320, 5364, 5472, 5662, 5670, 5960, 5985, 6048, 6156, 6258, 6384, 6480, 6705, 6840, 7152, 7182, 7560, 7695, 7980, 8046, 8208, 8344, 8493, 8940, 9072, 9120, 9387, 9576, 10080, 10260, 10430, 10640, 10728, 10773, 11324, 11340, 11920, 11970, 12069, 12312, 12516, 12768, 12960, 13410, 13680, 14155, 14304, 14364, 15120, 15390, 15645, 15960, 16092, 16416, 16688, 16986, 17880, 17955, 18144, 18774, 19152, 19817, 20115, 20520, 20860, 21280, 21456, 21546, 22648, 22680, 23840, 23940, 24138, 24624, 25032, 25479, 26820, 27360, 28161, 28310, 28728, 30240, 30780, 31290, 31920, 32184, 33376, 33972, 35760, 35910, 37548, 38304, 39634, 40230, 41040, 41720, 42465, 42912, 43092, 45296, 45360, 46935, 47880, 48276, 49248, 50064, 50958, 53640, 53865, 56322, 56620, 57456, 59451, 60345, 61560, 62580, 63840, 64368, 67944, 71520, 71820, 75096, 76437, 79268, 80460, 82080, 83440, 84483, 84930, 86184, 90592, 90720, 93870, 95760, 96552, 99085, 100128, 101916, 107280, 107730, 112644, 113240, 114912, 118902, 120690, 123120, 125160, 127395, 128736, 135888, 140805, 143640, 150192, 152874, 158536, 160920, 166880, 168966, 169860, 172368, 178353, 187740, 191520, 193104, 198170, 203832, 214560, 215460, 225288, 226480, 229311, 237804, 241380, 246240, 250320, 254790, 271776, 281610, 287280, 297255, 300384, 305748, 317072, 321840, 337932, 339720, 344736, 356706, 375480, 382185, 386208, 396340, 407664, 422415, 430920, 450576, 452960, 458622, 475608, 482760, 500640, 509580, 535059, 563220, 574560, 594510, 611496, 634144, 643680, 675864, 679440, 713412, 750960, 764370, 792680, 815328, 844830, 861840, 891765, 901152, 917244, 951216, 965520, 1019160, 1070118, 1126440, 1146555, 1189020, 1222992, 1351728, 1358880, 1426824, 1501920, 1528740, 1585360, 1605177, 1689660, 1723680, 1783530, 1834488, 1902432, 1931040, 2038320, 2140236, 2252880, 2293110, 2378040, 2445984, 2675295, 2703456, 2853648, 3057480, 3170720, 3210354, 3379320, 3567060, 3668976, 4076640, 4280472, 4505760, 4586220, 4756080, 5350590, 5707296, 6114960, 6420708, 6758640, 7134120, 7337952, 8025885, 8560944, 9172440, 9512160, 10701180, 12229920, 12841416, 13517280, 14268240, 16051770, 17121888, 18344880, 21402360, 25682832, 28536480, 32103540, 36689760, 42804720, 51365664, 64207080, 85609440, 128414160, 256828320]

約数ペア:

[(1, 256828320), (2, 128414160), (3, 85609440), (4, 64207080), (5, 51365664), (6, 42804720), (7, 36689760), (8, 32103540), (9, 28536480), (10, 25682832), (12, 21402360), (14, 18344880), (15, 17121888), (16, 16051770), (18, 14268240), (19, 13517280), (20, 12841416), (21, 12229920), (24, 10701180), (27, 9512160), (28, 9172440), (30, 8560944), (32, 8025885), (35, 7337952), (36, 7134120), (38, 6758640), (40, 6420708), (42, 6114960), (45, 5707296), (48, 5350590), (54, 4756080), (56, 4586220), (57, 4505760), (60, 4280472), (63, 4076640), (70, 3668976), (72, 3567060), (76, 3379320), (80, 3210354), (81, 3170720), (84, 3057480), (90, 2853648), (95, 2703456), (96, 2675295), (105, 2445984), (108, 2378040), (112, 2293110), (114, 2252880), (120, 2140236), (126, 2038320), (133, 1931040), (135, 1902432), (140, 1834488), (144, 1783530), (149, 1723680), (152, 1689660), (160, 1605177), (162, 1585360), (168, 1528740), (171, 1501920), (180, 1426824), (189, 1358880), (190, 1351728), (210, 1222992), (216, 1189020), (224, 1146555), (228, 1126440), (240, 1070118), (252, 1019160), (266, 965520), (270, 951216), (280, 917244), (285, 901152), (288, 891765), (298, 861840), (304, 844830), (315, 815328), (324, 792680), (336, 764370), (342, 750960), (360, 713412), (378, 679440), (380, 675864), (399, 643680), (405, 634144), (420, 611496), (432, 594510), (447, 574560), (456, 563220), (480, 535059), (504, 509580), (513, 500640), (532, 482760), (540, 475608), (560, 458622), (567, 452960), (570, 450576), (596, 430920), (608, 422415), (630, 407664), (648, 396340), (665, 386208), (672, 382185), (684, 375480), (720, 356706), (745, 344736), (756, 339720), (760, 337932), (798, 321840), (810, 317072), (840, 305748), (855, 300384), (864, 297255), (894, 287280), (912, 281610), (945, 271776), (1008, 254790), (1026, 250320), (1043, 246240), (1064, 241380), (1080, 237804), (1120, 229311), (1134, 226480), (1140, 225288), (1192, 215460), (1197, 214560), (1260, 203832), (1296, 198170), (1330, 193104), (1341, 191520), (1368, 187740), (1440, 178353), (1490, 172368), (1512, 169860), (1520, 168966), (1539, 166880), (1596, 160920), (1620, 158536), (1680, 152874), (1710, 150192), (1788, 143640), (1824, 140805), (1890, 135888), (1995, 128736), (2016, 127395), (2052, 125160), (2086, 123120), (2128, 120690), (2160, 118902), (2235, 114912), (2268, 113240), (2280, 112644), (2384, 107730), (2394, 107280), (2520, 101916), (2565, 100128), (2592, 99085), (2660, 96552), (2682, 95760), (2736, 93870), (2831, 90720), (2835, 90592), (2980, 86184), (3024, 84930), (3040, 84483), (3078, 83440), (3129, 82080), (3192, 80460), (3240, 79268), (3360, 76437), (3420, 75096), (3576, 71820), (3591, 71520), (3780, 67944), (3990, 64368), (4023, 63840), (4104, 62580), (4172, 61560), (4256, 60345), (4320, 59451), (4470, 57456), (4536, 56620), (4560, 56322), (4768, 53865), (4788, 53640), (5040, 50958), (5130, 50064), (5215, 49248), (5320, 48276), (5364, 47880), (5472, 46935), (5662, 45360), (5670, 45296), (5960, 43092), (5985, 42912), (6048, 42465), (6156, 41720), (6258, 41040), (6384, 40230), (6480, 39634), (6705, 38304), (6840, 37548), (7152, 35910), (7182, 35760), (7560, 33972), (7695, 33376), (7980, 32184), (8046, 31920), (8208, 31290), (8344, 30780), (8493, 30240), (8940, 28728), (9072, 28310), (9120, 28161), (9387, 27360), (9576, 26820), (10080, 25479), (10260, 25032), (10430, 24624), (10640, 24138), (10728, 23940), (10773, 23840), (11324, 22680), (11340, 22648), (11920, 21546), (11970, 21456), (12069, 21280), (12312, 20860), (12516, 20520), (12768, 20115), (12960, 19817), (13410, 19152), (13680, 18774), (14155, 18144), (14304, 17955), (14364, 17880), (15120, 16986), (15390, 16688), (15645, 16416), (15960, 16092)]