80709120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 240

約数和(自身を含む): 291088512

約数和(自身を除く): 210379392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 113, 120, 124, 128, 144, 155, 160, 180, 186, 192, 226, 240, 248, 256, 279, 288, 310, 320, 339, 360, 372, 384, 452, 465, 480, 496, 512, 558, 565, 576, 620, 640, 678, 720, 744, 768, 904, 930, 960, 992, 1017, 1116, 1130, 1152, 1240, 1280, 1356, 1395, 1440, 1488, 1536, 1695, 1808, 1860, 1920, 1984, 2034, 2232, 2260, 2304, 2480, 2560, 2712, 2790, 2880, 2976, 3390, 3503, 3616, 3720, 3840, 3968, 4068, 4464, 4520, 4608, 4960, 5085, 5424, 5580, 5760, 5952, 6780, 7006, 7232, 7440, 7680, 7936, 8136, 8928, 9040, 9920, 10170, 10509, 10848, 11160, 11520, 11904, 13560, 14012, 14464, 14880, 15872, 16272, 17515, 17856, 18080, 19840, 20340, 21018, 21696, 22320, 23040, 23808, 27120, 28024, 28928, 29760, 31527, 32544, 35030, 35712, 36160, 39680, 40680, 42036, 43392, 44640, 47616, 52545, 54240, 56048, 57856, 59520, 63054, 65088, 70060, 71424, 72320, 79360, 81360, 84072, 86784, 89280, 105090, 108480, 112096, 119040, 126108, 130176, 140120, 142848, 144640, 157635, 162720, 168144, 173568, 178560, 210180, 216960, 224192, 238080, 252216, 260352, 280240, 289280, 315270, 325440, 336288, 357120, 420360, 433920, 448384, 504432, 520704, 560480, 630540, 650880, 672576, 714240, 840720, 867840, 896768, 1008864, 1120960, 1261080, 1301760, 1345152, 1681440, 1793536, 2017728, 2241920, 2522160, 2603520, 2690304, 3362880, 4035456, 4483840, 5044320, 5380608, 6725760, 8070912, 8967680, 10088640, 13451520, 16141824, 20177280, 26903040, 40354560, 80709120]

約数ペア:

[(1, 80709120), (2, 40354560), (3, 26903040), (4, 20177280), (5, 16141824), (6, 13451520), (8, 10088640), (9, 8967680), (10, 8070912), (12, 6725760), (15, 5380608), (16, 5044320), (18, 4483840), (20, 4035456), (24, 3362880), (30, 2690304), (31, 2603520), (32, 2522160), (36, 2241920), (40, 2017728), (45, 1793536), (48, 1681440), (60, 1345152), (62, 1301760), (64, 1261080), (72, 1120960), (80, 1008864), (90, 896768), (93, 867840), (96, 840720), (113, 714240), (120, 672576), (124, 650880), (128, 630540), (144, 560480), (155, 520704), (160, 504432), (180, 448384), (186, 433920), (192, 420360), (226, 357120), (240, 336288), (248, 325440), (256, 315270), (279, 289280), (288, 280240), (310, 260352), (320, 252216), (339, 238080), (360, 224192), (372, 216960), (384, 210180), (452, 178560), (465, 173568), (480, 168144), (496, 162720), (512, 157635), (558, 144640), (565, 142848), (576, 140120), (620, 130176), (640, 126108), (678, 119040), (720, 112096), (744, 108480), (768, 105090), (904, 89280), (930, 86784), (960, 84072), (992, 81360), (1017, 79360), (1116, 72320), (1130, 71424), (1152, 70060), (1240, 65088), (1280, 63054), (1356, 59520), (1395, 57856), (1440, 56048), (1488, 54240), (1536, 52545), (1695, 47616), (1808, 44640), (1860, 43392), (1920, 42036), (1984, 40680), (2034, 39680), (2232, 36160), (2260, 35712), (2304, 35030), (2480, 32544), (2560, 31527), (2712, 29760), (2790, 28928), (2880, 28024), (2976, 27120), (3390, 23808), (3503, 23040), (3616, 22320), (3720, 21696), (3840, 21018), (3968, 20340), (4068, 19840), (4464, 18080), (4520, 17856), (4608, 17515), (4960, 16272), (5085, 15872), (5424, 14880), (5580, 14464), (5760, 14012), (5952, 13560), (6780, 11904), (7006, 11520), (7232, 11160), (7440, 10848), (7680, 10509), (7936, 10170), (8136, 9920), (8928, 9040)]