642437120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 208

約数和(自身を含む): 1761392640

約数和(自身を除く): 1118955520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 127, 128, 130, 152, 160, 190, 208, 247, 254, 256, 260, 304, 320, 380, 416, 494, 508, 512, 520, 608, 635, 640, 760, 832, 988, 1016, 1024, 1040, 1216, 1235, 1270, 1280, 1520, 1651, 1664, 1976, 2032, 2048, 2080, 2413, 2432, 2470, 2540, 2560, 3040, 3302, 3328, 3952, 4064, 4096, 4160, 4826, 4864, 4940, 5080, 5120, 6080, 6604, 6656, 7904, 8128, 8255, 8320, 9652, 9728, 9880, 10160, 10240, 12065, 12160, 13208, 13312, 15808, 16256, 16510, 16640, 19304, 19456, 19760, 20320, 20480, 24130, 24320, 26416, 26624, 31369, 31616, 32512, 33020, 33280, 38608, 38912, 39520, 40640, 48260, 48640, 52832, 53248, 62738, 63232, 65024, 66040, 66560, 77216, 77824, 79040, 81280, 96520, 97280, 105664, 125476, 126464, 130048, 132080, 133120, 154432, 156845, 158080, 162560, 193040, 194560, 211328, 250952, 252928, 260096, 264160, 266240, 308864, 313690, 316160, 325120, 386080, 389120, 422656, 501904, 505856, 520192, 528320, 617728, 627380, 632320, 650240, 772160, 845312, 1003808, 1011712, 1056640, 1235456, 1254760, 1264640, 1300480, 1544320, 1690624, 2007616, 2113280, 2470912, 2509520, 2529280, 2600960, 3088640, 3381248, 4015232, 4226560, 4941824, 5019040, 5058560, 6177280, 6762496, 8030464, 8453120, 9883648, 10038080, 12354560, 16060928, 16906240, 20076160, 24709120, 32121856, 33812480, 40152320, 49418240, 64243712, 80304640, 128487424, 160609280, 321218560, 642437120]

約数ペア:

[(1, 642437120), (2, 321218560), (4, 160609280), (5, 128487424), (8, 80304640), (10, 64243712), (13, 49418240), (16, 40152320), (19, 33812480), (20, 32121856), (26, 24709120), (32, 20076160), (38, 16906240), (40, 16060928), (52, 12354560), (64, 10038080), (65, 9883648), (76, 8453120), (80, 8030464), (95, 6762496), (104, 6177280), (127, 5058560), (128, 5019040), (130, 4941824), (152, 4226560), (160, 4015232), (190, 3381248), (208, 3088640), (247, 2600960), (254, 2529280), (256, 2509520), (260, 2470912), (304, 2113280), (320, 2007616), (380, 1690624), (416, 1544320), (494, 1300480), (508, 1264640), (512, 1254760), (520, 1235456), (608, 1056640), (635, 1011712), (640, 1003808), (760, 845312), (832, 772160), (988, 650240), (1016, 632320), (1024, 627380), (1040, 617728), (1216, 528320), (1235, 520192), (1270, 505856), (1280, 501904), (1520, 422656), (1651, 389120), (1664, 386080), (1976, 325120), (2032, 316160), (2048, 313690), (2080, 308864), (2413, 266240), (2432, 264160), (2470, 260096), (2540, 252928), (2560, 250952), (3040, 211328), (3302, 194560), (3328, 193040), (3952, 162560), (4064, 158080), (4096, 156845), (4160, 154432), (4826, 133120), (4864, 132080), (4940, 130048), (5080, 126464), (5120, 125476), (6080, 105664), (6604, 97280), (6656, 96520), (7904, 81280), (8128, 79040), (8255, 77824), (8320, 77216), (9652, 66560), (9728, 66040), (9880, 65024), (10160, 63232), (10240, 62738), (12065, 53248), (12160, 52832), (13208, 48640), (13312, 48260), (15808, 40640), (16256, 39520), (16510, 38912), (16640, 38608), (19304, 33280), (19456, 33020), (19760, 32512), (20320, 31616), (20480, 31369), (24130, 26624), (24320, 26416)]