78487200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 216

約数和(自身を含む): 302230656

約数和(自身を除く): 223743456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 240, 264, 275, 288, 300, 330, 352, 360, 396, 400, 440, 450, 480, 495, 528, 550, 600, 660, 720, 792, 800, 825, 880, 900, 990, 991, 1056, 1100, 1200, 1320, 1440, 1584, 1650, 1760, 1800, 1980, 1982, 2200, 2400, 2475, 2640, 2973, 3168, 3300, 3600, 3960, 3964, 4400, 4950, 4955, 5280, 5946, 6600, 7200, 7920, 7928, 8800, 8919, 9900, 9910, 10901, 11892, 13200, 14865, 15840, 15856, 17838, 19800, 19820, 21802, 23784, 24775, 26400, 29730, 31712, 32703, 35676, 39600, 39640, 43604, 44595, 47568, 49550, 54505, 59460, 65406, 71352, 74325, 79200, 79280, 87208, 89190, 95136, 98109, 99100, 109010, 118920, 130812, 142704, 148650, 158560, 163515, 174416, 178380, 196218, 198200, 218020, 222975, 237840, 261624, 272525, 285408, 297300, 327030, 348832, 356760, 392436, 396400, 436040, 445950, 475680, 490545, 523248, 545050, 594600, 654060, 713520, 784872, 792800, 817575, 872080, 891900, 981090, 1046496, 1090100, 1189200, 1308120, 1427040, 1569744, 1635150, 1744160, 1783800, 1962180, 2180200, 2378400, 2452725, 2616240, 3139488, 3270300, 3567600, 3924360, 4360400, 4905450, 5232480, 6540600, 7135200, 7848720, 8720800, 9810900, 13081200, 15697440, 19621800, 26162400, 39243600, 78487200]

約数ペア:

[(1, 78487200), (2, 39243600), (3, 26162400), (4, 19621800), (5, 15697440), (6, 13081200), (8, 9810900), (9, 8720800), (10, 7848720), (11, 7135200), (12, 6540600), (15, 5232480), (16, 4905450), (18, 4360400), (20, 3924360), (22, 3567600), (24, 3270300), (25, 3139488), (30, 2616240), (32, 2452725), (33, 2378400), (36, 2180200), (40, 1962180), (44, 1783800), (45, 1744160), (48, 1635150), (50, 1569744), (55, 1427040), (60, 1308120), (66, 1189200), (72, 1090100), (75, 1046496), (80, 981090), (88, 891900), (90, 872080), (96, 817575), (99, 792800), (100, 784872), (110, 713520), (120, 654060), (132, 594600), (144, 545050), (150, 523248), (160, 490545), (165, 475680), (176, 445950), (180, 436040), (198, 396400), (200, 392436), (220, 356760), (225, 348832), (240, 327030), (264, 297300), (275, 285408), (288, 272525), (300, 261624), (330, 237840), (352, 222975), (360, 218020), (396, 198200), (400, 196218), (440, 178380), (450, 174416), (480, 163515), (495, 158560), (528, 148650), (550, 142704), (600, 130812), (660, 118920), (720, 109010), (792, 99100), (800, 98109), (825, 95136), (880, 89190), (900, 87208), (990, 79280), (991, 79200), (1056, 74325), (1100, 71352), (1200, 65406), (1320, 59460), (1440, 54505), (1584, 49550), (1650, 47568), (1760, 44595), (1800, 43604), (1980, 39640), (1982, 39600), (2200, 35676), (2400, 32703), (2475, 31712), (2640, 29730), (2973, 26400), (3168, 24775), (3300, 23784), (3600, 21802), (3960, 19820), (3964, 19800), (4400, 17838), (4950, 15856), (4955, 15840), (5280, 14865), (5946, 13200), (6600, 11892), (7200, 10901), (7920, 9910), (7928, 9900), (8800, 8919)]