311340960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 288

約数和(自身を含む): 1235025792

約数和(自身を除く): 923684832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 134, 140, 144, 160, 168, 180, 201, 210, 224, 240, 252, 268, 280, 288, 315, 335, 336, 360, 402, 420, 461, 469, 480, 504, 536, 560, 603, 630, 670, 672, 720, 804, 840, 922, 938, 1005, 1008, 1072, 1120, 1206, 1260, 1340, 1383, 1407, 1440, 1608, 1680, 1844, 1876, 2010, 2016, 2144, 2305, 2345, 2412, 2520, 2680, 2766, 2814, 3015, 3216, 3227, 3360, 3688, 3752, 4020, 4149, 4221, 4610, 4690, 4824, 5040, 5360, 5532, 5628, 6030, 6432, 6454, 6915, 7035, 7376, 7504, 8040, 8298, 8442, 9220, 9380, 9648, 9681, 10080, 10720, 11064, 11256, 12060, 12908, 13830, 14070, 14752, 15008, 16080, 16135, 16596, 16884, 18440, 18760, 19296, 19362, 20745, 21105, 22128, 22512, 24120, 25816, 27660, 28140, 29043, 30887, 32160, 32270, 33192, 33768, 36880, 37520, 38724, 41490, 42210, 44256, 45024, 48240, 48405, 51632, 55320, 56280, 58086, 61774, 64540, 66384, 67536, 73760, 75040, 77448, 82980, 84420, 92661, 96480, 96810, 103264, 110640, 112560, 116172, 123548, 129080, 132768, 135072, 145215, 154435, 154896, 165960, 168840, 185322, 193620, 216209, 221280, 225120, 232344, 247096, 258160, 277983, 290430, 308870, 309792, 331920, 337680, 370644, 387240, 432418, 463305, 464688, 494192, 516320, 555966, 580860, 617740, 648627, 663840, 675360, 741288, 774480, 864836, 926610, 929376, 988384, 1081045, 1111932, 1161720, 1235480, 1297254, 1389915, 1482576, 1548960, 1729672, 1853220, 1945881, 2162090, 2223864, 2323440, 2470960, 2594508, 2779830, 2965152, 3243135, 3459344, 3706440, 3891762, 4324180, 4447728, 4646880, 4941920, 5189016, 5559660, 6486270, 6918688, 7412880, 7783524, 8648360, 8895456, 9729405, 10378032, 11119320, 12972540, 14825760, 15567048, 17296720, 19458810, 20756064, 22238640, 25945080, 31134096, 34593440, 38917620, 44477280, 51890160, 62268192, 77835240, 103780320, 155670480, 311340960]

約数ペア:

[(1, 311340960), (2, 155670480), (3, 103780320), (4, 77835240), (5, 62268192), (6, 51890160), (7, 44477280), (8, 38917620), (9, 34593440), (10, 31134096), (12, 25945080), (14, 22238640), (15, 20756064), (16, 19458810), (18, 17296720), (20, 15567048), (21, 14825760), (24, 12972540), (28, 11119320), (30, 10378032), (32, 9729405), (35, 8895456), (36, 8648360), (40, 7783524), (42, 7412880), (45, 6918688), (48, 6486270), (56, 5559660), (60, 5189016), (63, 4941920), (67, 4646880), (70, 4447728), (72, 4324180), (80, 3891762), (84, 3706440), (90, 3459344), (96, 3243135), (105, 2965152), (112, 2779830), (120, 2594508), (126, 2470960), (134, 2323440), (140, 2223864), (144, 2162090), (160, 1945881), (168, 1853220), (180, 1729672), (201, 1548960), (210, 1482576), (224, 1389915), (240, 1297254), (252, 1235480), (268, 1161720), (280, 1111932), (288, 1081045), (315, 988384), (335, 929376), (336, 926610), (360, 864836), (402, 774480), (420, 741288), (461, 675360), (469, 663840), (480, 648627), (504, 617740), (536, 580860), (560, 555966), (603, 516320), (630, 494192), (670, 464688), (672, 463305), (720, 432418), (804, 387240), (840, 370644), (922, 337680), (938, 331920), (1005, 309792), (1008, 308870), (1072, 290430), (1120, 277983), (1206, 258160), (1260, 247096), (1340, 232344), (1383, 225120), (1407, 221280), (1440, 216209), (1608, 193620), (1680, 185322), (1844, 168840), (1876, 165960), (2010, 154896), (2016, 154435), (2144, 145215), (2305, 135072), (2345, 132768), (2412, 129080), (2520, 123548), (2680, 116172), (2766, 112560), (2814, 110640), (3015, 103264), (3216, 96810), (3227, 96480), (3360, 92661), (3688, 84420), (3752, 82980), (4020, 77448), (4149, 75040), (4221, 73760), (4610, 67536), (4690, 66384), (4824, 64540), (5040, 61774), (5360, 58086), (5532, 56280), (5628, 55320), (6030, 51632), (6432, 48405), (6454, 48240), (6915, 45024), (7035, 44256), (7376, 42210), (7504, 41490), (8040, 38724), (8298, 37520), (8442, 36880), (9220, 33768), (9380, 33192), (9648, 32270), (9681, 32160), (10080, 30887), (10720, 29043), (11064, 28140), (11256, 27660), (12060, 25816), (12908, 24120), (13830, 22512), (14070, 22128), (14752, 21105), (15008, 20745), (16080, 19362), (16135, 19296), (16596, 18760), (16884, 18440)]