1561307520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 256

約数和(自身を含む): 5295513600

約数和(自身を除く): 3734206080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 127, 128, 152, 160, 190, 192, 228, 240, 254, 285, 304, 320, 337, 380, 381, 384, 456, 480, 508, 570, 608, 635, 640, 674, 760, 762, 912, 960, 1011, 1016, 1140, 1216, 1270, 1348, 1520, 1524, 1685, 1824, 1905, 1920, 2022, 2032, 2280, 2413, 2432, 2540, 2696, 3040, 3048, 3370, 3648, 3810, 4044, 4064, 4560, 4826, 5055, 5080, 5392, 6080, 6096, 6403, 6740, 7239, 7296, 7620, 8088, 8128, 9120, 9652, 10110, 10160, 10784, 12065, 12160, 12192, 12806, 13480, 14478, 15240, 16176, 16256, 18240, 19209, 19304, 20220, 20320, 21568, 24130, 24384, 25612, 26960, 28956, 30480, 32015, 32352, 36195, 36480, 38418, 38608, 40440, 40640, 42799, 43136, 48260, 48768, 51224, 53920, 57912, 60960, 64030, 64704, 72390, 76836, 77216, 80880, 81280, 85598, 96045, 96520, 102448, 107840, 115824, 121920, 128060, 128397, 129408, 144780, 153672, 154432, 161760, 171196, 192090, 193040, 204896, 213995, 215680, 231648, 243840, 256120, 256794, 289560, 307344, 308864, 323520, 342392, 384180, 386080, 409792, 427990, 463296, 512240, 513588, 579120, 614688, 641985, 647040, 684784, 768360, 772160, 813181, 819584, 855980, 926592, 1024480, 1027176, 1158240, 1229376, 1283970, 1369568, 1536720, 1544320, 1626362, 1711960, 2048960, 2054352, 2316480, 2439543, 2458752, 2567940, 2739136, 3073440, 3252724, 3423920, 4065905, 4097920, 4108704, 4632960, 4879086, 5135880, 5478272, 6146880, 6505448, 6847840, 8131810, 8217408, 9758172, 10271760, 12197715, 12293760, 13010896, 13695680, 16263620, 16434816, 19516344, 20543520, 24395430, 26021792, 27391360, 32527240, 39032688, 41087040, 48790860, 52043584, 65054480, 78065376, 82174080, 97581720, 104087168, 130108960, 156130752, 195163440, 260217920, 312261504, 390326880, 520435840, 780653760, 1561307520]

約数ペア:

[(1, 1561307520), (2, 780653760), (3, 520435840), (4, 390326880), (5, 312261504), (6, 260217920), (8, 195163440), (10, 156130752), (12, 130108960), (15, 104087168), (16, 97581720), (19, 82174080), (20, 78065376), (24, 65054480), (30, 52043584), (32, 48790860), (38, 41087040), (40, 39032688), (48, 32527240), (57, 27391360), (60, 26021792), (64, 24395430), (76, 20543520), (80, 19516344), (95, 16434816), (96, 16263620), (114, 13695680), (120, 13010896), (127, 12293760), (128, 12197715), (152, 10271760), (160, 9758172), (190, 8217408), (192, 8131810), (228, 6847840), (240, 6505448), (254, 6146880), (285, 5478272), (304, 5135880), (320, 4879086), (337, 4632960), (380, 4108704), (381, 4097920), (384, 4065905), (456, 3423920), (480, 3252724), (508, 3073440), (570, 2739136), (608, 2567940), (635, 2458752), (640, 2439543), (674, 2316480), (760, 2054352), (762, 2048960), (912, 1711960), (960, 1626362), (1011, 1544320), (1016, 1536720), (1140, 1369568), (1216, 1283970), (1270, 1229376), (1348, 1158240), (1520, 1027176), (1524, 1024480), (1685, 926592), (1824, 855980), (1905, 819584), (1920, 813181), (2022, 772160), (2032, 768360), (2280, 684784), (2413, 647040), (2432, 641985), (2540, 614688), (2696, 579120), (3040, 513588), (3048, 512240), (3370, 463296), (3648, 427990), (3810, 409792), (4044, 386080), (4064, 384180), (4560, 342392), (4826, 323520), (5055, 308864), (5080, 307344), (5392, 289560), (6080, 256794), (6096, 256120), (6403, 243840), (6740, 231648), (7239, 215680), (7296, 213995), (7620, 204896), (8088, 193040), (8128, 192090), (9120, 171196), (9652, 161760), (10110, 154432), (10160, 153672), (10784, 144780), (12065, 129408), (12160, 128397), (12192, 128060), (12806, 121920), (13480, 115824), (14478, 107840), (15240, 102448), (16176, 96520), (16256, 96045), (18240, 85598), (19209, 81280), (19304, 80880), (20220, 77216), (20320, 76836), (21568, 72390), (24130, 64704), (24384, 64030), (25612, 60960), (26960, 57912), (28956, 53920), (30480, 51224), (32015, 48768), (32352, 48260), (36195, 43136), (36480, 42799), (38418, 40640), (38608, 40440)]