78209280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 290411520

約数和(自身を除く): 212202240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 73, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 146, 155, 160, 180, 186, 192, 216, 219, 240, 248, 256, 270, 279, 288, 292, 310, 320, 360, 365, 372, 384, 432, 438, 465, 480, 496, 540, 558, 576, 584, 620, 640, 657, 720, 730, 744, 768, 837, 864, 876, 930, 960, 992, 1080, 1095, 1116, 1152, 1168, 1240, 1280, 1314, 1395, 1440, 1460, 1488, 1674, 1728, 1752, 1860, 1920, 1971, 1984, 2160, 2190, 2232, 2263, 2304, 2336, 2480, 2628, 2790, 2880, 2920, 2976, 3285, 3348, 3456, 3504, 3720, 3840, 3942, 3968, 4185, 4320, 4380, 4464, 4526, 4672, 4960, 5256, 5580, 5760, 5840, 5952, 6570, 6696, 6789, 6912, 7008, 7440, 7884, 7936, 8370, 8640, 8760, 8928, 9052, 9344, 9855, 9920, 10512, 11160, 11315, 11520, 11680, 11904, 13140, 13392, 13578, 14016, 14880, 15768, 16740, 17280, 17520, 17856, 18104, 18688, 19710, 19840, 20367, 21024, 22320, 22630, 23360, 23808, 26280, 26784, 27156, 28032, 29760, 31536, 33480, 33945, 34560, 35040, 35712, 36208, 39420, 39680, 40734, 42048, 44640, 45260, 46720, 52560, 53568, 54312, 56064, 59520, 61101, 63072, 66960, 67890, 70080, 71424, 72416, 78840, 81468, 84096, 89280, 90520, 93440, 101835, 105120, 107136, 108624, 119040, 122202, 126144, 133920, 135780, 140160, 144832, 157680, 162936, 168192, 178560, 181040, 203670, 210240, 214272, 217248, 244404, 252288, 267840, 271560, 280320, 289664, 305505, 315360, 325872, 357120, 362080, 407340, 420480, 434496, 488808, 504576, 535680, 543120, 579328, 611010, 630720, 651744, 724160, 814680, 840960, 868992, 977616, 1071360, 1086240, 1222020, 1261440, 1303488, 1448320, 1629360, 1737984, 1955232, 2172480, 2444040, 2522880, 2606976, 2896640, 3258720, 3910464, 4344960, 4888080, 5213952, 6517440, 7820928, 8689920, 9776160, 13034880, 15641856, 19552320, 26069760, 39104640, 78209280]

約数ペア:

[(1, 78209280), (2, 39104640), (3, 26069760), (4, 19552320), (5, 15641856), (6, 13034880), (8, 9776160), (9, 8689920), (10, 7820928), (12, 6517440), (15, 5213952), (16, 4888080), (18, 4344960), (20, 3910464), (24, 3258720), (27, 2896640), (30, 2606976), (31, 2522880), (32, 2444040), (36, 2172480), (40, 1955232), (45, 1737984), (48, 1629360), (54, 1448320), (60, 1303488), (62, 1261440), (64, 1222020), (72, 1086240), (73, 1071360), (80, 977616), (90, 868992), (93, 840960), (96, 814680), (108, 724160), (120, 651744), (124, 630720), (128, 611010), (135, 579328), (144, 543120), (146, 535680), (155, 504576), (160, 488808), (180, 434496), (186, 420480), (192, 407340), (216, 362080), (219, 357120), (240, 325872), (248, 315360), (256, 305505), (270, 289664), (279, 280320), (288, 271560), (292, 267840), (310, 252288), (320, 244404), (360, 217248), (365, 214272), (372, 210240), (384, 203670), (432, 181040), (438, 178560), (465, 168192), (480, 162936), (496, 157680), (540, 144832), (558, 140160), (576, 135780), (584, 133920), (620, 126144), (640, 122202), (657, 119040), (720, 108624), (730, 107136), (744, 105120), (768, 101835), (837, 93440), (864, 90520), (876, 89280), (930, 84096), (960, 81468), (992, 78840), (1080, 72416), (1095, 71424), (1116, 70080), (1152, 67890), (1168, 66960), (1240, 63072), (1280, 61101), (1314, 59520), (1395, 56064), (1440, 54312), (1460, 53568), (1488, 52560), (1674, 46720), (1728, 45260), (1752, 44640), (1860, 42048), (1920, 40734), (1971, 39680), (1984, 39420), (2160, 36208), (2190, 35712), (2232, 35040), (2263, 34560), (2304, 33945), (2336, 33480), (2480, 31536), (2628, 29760), (2790, 28032), (2880, 27156), (2920, 26784), (2976, 26280), (3285, 23808), (3348, 23360), (3456, 22630), (3504, 22320), (3720, 21024), (3840, 20367), (3942, 19840), (3968, 19710), (4185, 18688), (4320, 18104), (4380, 17856), (4464, 17520), (4526, 17280), (4672, 16740), (4960, 15768), (5256, 14880), (5580, 14016), (5760, 13578), (5840, 13392), (5952, 13140), (6570, 11904), (6696, 11680), (6789, 11520), (6912, 11315), (7008, 11160), (7440, 10512), (7884, 9920), (7936, 9855), (8370, 9344), (8640, 9052), (8760, 8928)]