87770880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 320458320

約数和(自身を除く): 232687440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 401, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 802, 855, 912, 960, 1140, 1152, 1203, 1216, 1280, 1368, 1440, 1520, 1604, 1710, 1824, 1920, 2005, 2280, 2304, 2406, 2432, 2736, 2880, 3040, 3208, 3420, 3609, 3648, 3840, 4010, 4560, 4812, 4864, 5472, 5760, 6015, 6080, 6416, 6840, 7218, 7296, 7619, 8020, 9120, 9624, 10944, 11520, 12030, 12160, 12832, 13680, 14436, 14592, 15238, 16040, 18045, 18240, 19248, 21888, 22857, 24060, 24320, 25664, 27360, 28872, 30476, 32080, 36090, 36480, 38095, 38496, 43776, 45714, 48120, 51328, 54720, 57744, 60952, 64160, 68571, 72180, 72960, 76190, 76992, 91428, 96240, 102656, 109440, 114285, 115488, 121904, 128320, 137142, 144360, 152380, 153984, 182856, 192480, 218880, 228570, 230976, 243808, 256640, 274284, 288720, 304760, 307968, 342855, 365712, 384960, 457140, 461952, 487616, 513280, 548568, 577440, 609520, 685710, 731424, 769920, 914280, 923904, 975232, 1097136, 1154880, 1219040, 1371420, 1462848, 1539840, 1828560, 1950464, 2194272, 2309760, 2438080, 2742840, 2925696, 3657120, 4388544, 4619520, 4876160, 5485680, 5851392, 7314240, 8777088, 9752320, 10971360, 14628480, 17554176, 21942720, 29256960, 43885440, 87770880]

約数ペア:

[(1, 87770880), (2, 43885440), (3, 29256960), (4, 21942720), (5, 17554176), (6, 14628480), (8, 10971360), (9, 9752320), (10, 8777088), (12, 7314240), (15, 5851392), (16, 5485680), (18, 4876160), (19, 4619520), (20, 4388544), (24, 3657120), (30, 2925696), (32, 2742840), (36, 2438080), (38, 2309760), (40, 2194272), (45, 1950464), (48, 1828560), (57, 1539840), (60, 1462848), (64, 1371420), (72, 1219040), (76, 1154880), (80, 1097136), (90, 975232), (95, 923904), (96, 914280), (114, 769920), (120, 731424), (128, 685710), (144, 609520), (152, 577440), (160, 548568), (171, 513280), (180, 487616), (190, 461952), (192, 457140), (228, 384960), (240, 365712), (256, 342855), (285, 307968), (288, 304760), (304, 288720), (320, 274284), (342, 256640), (360, 243808), (380, 230976), (384, 228570), (401, 218880), (456, 192480), (480, 182856), (570, 153984), (576, 152380), (608, 144360), (640, 137142), (684, 128320), (720, 121904), (760, 115488), (768, 114285), (802, 109440), (855, 102656), (912, 96240), (960, 91428), (1140, 76992), (1152, 76190), (1203, 72960), (1216, 72180), (1280, 68571), (1368, 64160), (1440, 60952), (1520, 57744), (1604, 54720), (1710, 51328), (1824, 48120), (1920, 45714), (2005, 43776), (2280, 38496), (2304, 38095), (2406, 36480), (2432, 36090), (2736, 32080), (2880, 30476), (3040, 28872), (3208, 27360), (3420, 25664), (3609, 24320), (3648, 24060), (3840, 22857), (4010, 21888), (4560, 19248), (4812, 18240), (4864, 18045), (5472, 16040), (5760, 15238), (6015, 14592), (6080, 14436), (6416, 13680), (6840, 12832), (7218, 12160), (7296, 12030), (7619, 11520), (8020, 10944), (9120, 9624)]