80289440

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 240

約数和(自身を含む): 254106720

約数和(自身を除く): 173817280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 160, 176, 190, 196, 209, 220, 224, 245, 266, 280, 304, 308, 343, 352, 380, 385, 392, 418, 440, 490, 532, 539, 560, 608, 616, 665, 686, 760, 770, 784, 836, 880, 931, 980, 1045, 1064, 1078, 1120, 1232, 1330, 1372, 1463, 1520, 1540, 1568, 1672, 1715, 1760, 1862, 1960, 2090, 2128, 2156, 2401, 2464, 2660, 2695, 2744, 2926, 3040, 3080, 3344, 3430, 3724, 3773, 3920, 4180, 4256, 4312, 4655, 4802, 5320, 5390, 5488, 5852, 6160, 6517, 6688, 6860, 7315, 7448, 7546, 7840, 8360, 8624, 9310, 9604, 10241, 10640, 10780, 10976, 11704, 12005, 12320, 13034, 13720, 14630, 14896, 15092, 16720, 17248, 18620, 18865, 19208, 20482, 21280, 21560, 23408, 24010, 26068, 26411, 27440, 29260, 29792, 30184, 32585, 33440, 37240, 37730, 38416, 40964, 43120, 45619, 46816, 48020, 51205, 52136, 52822, 54880, 58520, 60368, 65170, 71687, 74480, 75460, 76832, 81928, 86240, 91238, 96040, 102410, 104272, 105644, 117040, 120736, 130340, 132055, 143374, 148960, 150920, 163856, 182476, 192080, 204820, 208544, 211288, 228095, 234080, 260680, 264110, 286748, 301840, 327712, 358435, 364952, 384160, 409640, 422576, 456190, 501809, 521360, 528220, 573496, 603680, 716870, 729904, 819280, 845152, 912380, 1003618, 1042720, 1056440, 1146992, 1433740, 1459808, 1638560, 1824760, 2007236, 2112880, 2293984, 2509045, 2867480, 3649520, 4014472, 4225760, 5018090, 5734960, 7299040, 8028944, 10036180, 11469920, 16057888, 20072360, 40144720, 80289440]

約数ペア:

[(1, 80289440), (2, 40144720), (4, 20072360), (5, 16057888), (7, 11469920), (8, 10036180), (10, 8028944), (11, 7299040), (14, 5734960), (16, 5018090), (19, 4225760), (20, 4014472), (22, 3649520), (28, 2867480), (32, 2509045), (35, 2293984), (38, 2112880), (40, 2007236), (44, 1824760), (49, 1638560), (55, 1459808), (56, 1433740), (70, 1146992), (76, 1056440), (77, 1042720), (80, 1003618), (88, 912380), (95, 845152), (98, 819280), (110, 729904), (112, 716870), (133, 603680), (140, 573496), (152, 528220), (154, 521360), (160, 501809), (176, 456190), (190, 422576), (196, 409640), (209, 384160), (220, 364952), (224, 358435), (245, 327712), (266, 301840), (280, 286748), (304, 264110), (308, 260680), (343, 234080), (352, 228095), (380, 211288), (385, 208544), (392, 204820), (418, 192080), (440, 182476), (490, 163856), (532, 150920), (539, 148960), (560, 143374), (608, 132055), (616, 130340), (665, 120736), (686, 117040), (760, 105644), (770, 104272), (784, 102410), (836, 96040), (880, 91238), (931, 86240), (980, 81928), (1045, 76832), (1064, 75460), (1078, 74480), (1120, 71687), (1232, 65170), (1330, 60368), (1372, 58520), (1463, 54880), (1520, 52822), (1540, 52136), (1568, 51205), (1672, 48020), (1715, 46816), (1760, 45619), (1862, 43120), (1960, 40964), (2090, 38416), (2128, 37730), (2156, 37240), (2401, 33440), (2464, 32585), (2660, 30184), (2695, 29792), (2744, 29260), (2926, 27440), (3040, 26411), (3080, 26068), (3344, 24010), (3430, 23408), (3724, 21560), (3773, 21280), (3920, 20482), (4180, 19208), (4256, 18865), (4312, 18620), (4655, 17248), (4802, 16720), (5320, 15092), (5390, 14896), (5488, 14630), (5852, 13720), (6160, 13034), (6517, 12320), (6688, 12005), (6860, 11704), (7315, 10976), (7448, 10780), (7546, 10640), (7840, 10241), (8360, 9604), (8624, 9310)]