80017920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 291088512

約数和(自身を除く): 211070592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 151, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 302, 320, 345, 360, 368, 384, 414, 453, 460, 480, 512, 552, 576, 604, 640, 690, 720, 736, 755, 768, 828, 906, 920, 960, 1035, 1104, 1152, 1208, 1280, 1359, 1380, 1440, 1472, 1510, 1536, 1656, 1812, 1840, 1920, 2070, 2208, 2265, 2304, 2416, 2560, 2718, 2760, 2880, 2944, 3020, 3312, 3473, 3624, 3680, 3840, 4140, 4416, 4530, 4608, 4832, 5436, 5520, 5760, 5888, 6040, 6624, 6795, 6946, 7248, 7360, 7680, 8280, 8832, 9060, 9664, 10419, 10872, 11040, 11520, 11776, 12080, 13248, 13590, 13892, 14496, 14720, 16560, 17365, 17664, 18120, 19328, 20838, 21744, 22080, 23040, 24160, 26496, 27180, 27784, 28992, 29440, 31257, 33120, 34730, 35328, 36240, 38656, 41676, 43488, 44160, 48320, 52095, 52992, 54360, 55568, 57984, 58880, 62514, 66240, 69460, 72480, 77312, 83352, 86976, 88320, 96640, 104190, 105984, 108720, 111136, 115968, 125028, 132480, 138920, 144960, 156285, 166704, 173952, 176640, 193280, 208380, 217440, 222272, 231936, 250056, 264960, 277840, 289920, 312570, 333408, 347904, 386560, 416760, 434880, 444544, 500112, 529920, 555680, 579840, 625140, 666816, 695808, 833520, 869760, 889088, 1000224, 1111360, 1159680, 1250280, 1333632, 1667040, 1739520, 1778176, 2000448, 2222720, 2500560, 2667264, 3334080, 3479040, 4000896, 4445440, 5001120, 5334528, 6668160, 8001792, 8890880, 10002240, 13336320, 16003584, 20004480, 26672640, 40008960, 80017920]

約数ペア:

[(1, 80017920), (2, 40008960), (3, 26672640), (4, 20004480), (5, 16003584), (6, 13336320), (8, 10002240), (9, 8890880), (10, 8001792), (12, 6668160), (15, 5334528), (16, 5001120), (18, 4445440), (20, 4000896), (23, 3479040), (24, 3334080), (30, 2667264), (32, 2500560), (36, 2222720), (40, 2000448), (45, 1778176), (46, 1739520), (48, 1667040), (60, 1333632), (64, 1250280), (69, 1159680), (72, 1111360), (80, 1000224), (90, 889088), (92, 869760), (96, 833520), (115, 695808), (120, 666816), (128, 625140), (138, 579840), (144, 555680), (151, 529920), (160, 500112), (180, 444544), (184, 434880), (192, 416760), (207, 386560), (230, 347904), (240, 333408), (256, 312570), (276, 289920), (288, 277840), (302, 264960), (320, 250056), (345, 231936), (360, 222272), (368, 217440), (384, 208380), (414, 193280), (453, 176640), (460, 173952), (480, 166704), (512, 156285), (552, 144960), (576, 138920), (604, 132480), (640, 125028), (690, 115968), (720, 111136), (736, 108720), (755, 105984), (768, 104190), (828, 96640), (906, 88320), (920, 86976), (960, 83352), (1035, 77312), (1104, 72480), (1152, 69460), (1208, 66240), (1280, 62514), (1359, 58880), (1380, 57984), (1440, 55568), (1472, 54360), (1510, 52992), (1536, 52095), (1656, 48320), (1812, 44160), (1840, 43488), (1920, 41676), (2070, 38656), (2208, 36240), (2265, 35328), (2304, 34730), (2416, 33120), (2560, 31257), (2718, 29440), (2760, 28992), (2880, 27784), (2944, 27180), (3020, 26496), (3312, 24160), (3473, 23040), (3624, 22080), (3680, 21744), (3840, 20838), (4140, 19328), (4416, 18120), (4530, 17664), (4608, 17365), (4832, 16560), (5436, 14720), (5520, 14496), (5760, 13892), (5888, 13590), (6040, 13248), (6624, 12080), (6795, 11776), (6946, 11520), (7248, 11040), (7360, 10872), (7680, 10419), (8280, 9664), (8832, 9060)]