661168800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:656

約数の個数: 216

約数和(自身を含む): 2347466940

約数和(自身を除く): 1686298140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 229, 240, 288, 300, 360, 400, 401, 450, 458, 480, 600, 687, 720, 800, 802, 900, 916, 1145, 1200, 1203, 1374, 1440, 1604, 1800, 1832, 2005, 2061, 2290, 2400, 2406, 2748, 3208, 3435, 3600, 3609, 3664, 4010, 4122, 4580, 4812, 5496, 5725, 6015, 6416, 6870, 7200, 7218, 7328, 8020, 8244, 9160, 9624, 10025, 10305, 10992, 11450, 12030, 12832, 13740, 14436, 16040, 16488, 17175, 18045, 18320, 19248, 20050, 20610, 21984, 22900, 24060, 27480, 28872, 30075, 32080, 32976, 34350, 36090, 36640, 38496, 40100, 41220, 45800, 48120, 51525, 54960, 57744, 60150, 64160, 65952, 68700, 72180, 80200, 82440, 90225, 91600, 91829, 96240, 103050, 109920, 115488, 120300, 137400, 144360, 160400, 164880, 180450, 183200, 183658, 192480, 206100, 240600, 274800, 275487, 288720, 320800, 329760, 360900, 367316, 412200, 459145, 481200, 549600, 550974, 577440, 721800, 734632, 824400, 826461, 918290, 962400, 1101948, 1377435, 1443600, 1469264, 1648800, 1652922, 1836580, 2203896, 2295725, 2754870, 2887200, 2938528, 3305844, 3673160, 4132305, 4407792, 4591450, 5509740, 6611688, 6887175, 7346320, 8264610, 8815584, 9182900, 11019480, 13223376, 13774350, 14692640, 16529220, 18365800, 20661525, 22038960, 26446752, 27548700, 33058440, 36731600, 41323050, 44077920, 55097400, 66116880, 73463200, 82646100, 110194800, 132233760, 165292200, 220389600, 330584400, 661168800]

約数ペア:

[(1, 661168800), (2, 330584400), (3, 220389600), (4, 165292200), (5, 132233760), (6, 110194800), (8, 82646100), (9, 73463200), (10, 66116880), (12, 55097400), (15, 44077920), (16, 41323050), (18, 36731600), (20, 33058440), (24, 27548700), (25, 26446752), (30, 22038960), (32, 20661525), (36, 18365800), (40, 16529220), (45, 14692640), (48, 13774350), (50, 13223376), (60, 11019480), (72, 9182900), (75, 8815584), (80, 8264610), (90, 7346320), (96, 6887175), (100, 6611688), (120, 5509740), (144, 4591450), (150, 4407792), (160, 4132305), (180, 3673160), (200, 3305844), (225, 2938528), (229, 2887200), (240, 2754870), (288, 2295725), (300, 2203896), (360, 1836580), (400, 1652922), (401, 1648800), (450, 1469264), (458, 1443600), (480, 1377435), (600, 1101948), (687, 962400), (720, 918290), (800, 826461), (802, 824400), (900, 734632), (916, 721800), (1145, 577440), (1200, 550974), (1203, 549600), (1374, 481200), (1440, 459145), (1604, 412200), (1800, 367316), (1832, 360900), (2005, 329760), (2061, 320800), (2290, 288720), (2400, 275487), (2406, 274800), (2748, 240600), (3208, 206100), (3435, 192480), (3600, 183658), (3609, 183200), (3664, 180450), (4010, 164880), (4122, 160400), (4580, 144360), (4812, 137400), (5496, 120300), (5725, 115488), (6015, 109920), (6416, 103050), (6870, 96240), (7200, 91829), (7218, 91600), (7328, 90225), (8020, 82440), (8244, 80200), (9160, 72180), (9624, 68700), (10025, 65952), (10305, 64160), (10992, 60150), (11450, 57744), (12030, 54960), (12832, 51525), (13740, 48120), (14436, 45800), (16040, 41220), (16488, 40100), (17175, 38496), (18045, 36640), (18320, 36090), (19248, 34350), (20050, 32976), (20610, 32080), (21984, 30075), (22900, 28872), (24060, 27480)]