19767623680

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 288

約数和(自身を含む): 56371230720

約数和(自身を除く): 36603607040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 139, 140, 155, 160, 217, 224, 248, 256, 278, 280, 310, 320, 434, 448, 496, 512, 556, 560, 620, 640, 695, 868, 896, 973, 992, 1024, 1085, 1112, 1120, 1240, 1280, 1390, 1736, 1792, 1946, 1984, 2048, 2170, 2224, 2240, 2480, 2560, 2780, 3472, 3584, 3892, 3968, 4096, 4309, 4340, 4448, 4480, 4865, 4960, 5120, 5560, 6944, 7168, 7784, 7936, 8192, 8618, 8680, 8896, 8960, 9730, 9920, 10240, 11120, 13888, 14336, 15568, 15872, 16384, 17236, 17360, 17792, 17920, 19460, 19840, 20480, 21545, 22240, 27776, 28672, 30163, 31136, 31744, 32768, 34472, 34720, 35584, 35840, 38920, 39680, 40960, 43090, 44480, 55552, 57344, 60326, 62272, 63488, 65536, 68944, 69440, 71168, 71680, 77840, 79360, 81920, 86180, 88960, 111104, 114688, 120652, 124544, 126976, 131072, 137888, 138880, 142336, 143360, 150815, 155680, 158720, 163840, 172360, 177920, 222208, 229376, 241304, 249088, 253952, 275776, 277760, 284672, 286720, 301630, 311360, 317440, 327680, 344720, 355840, 444416, 458752, 482608, 498176, 507904, 551552, 555520, 569344, 573440, 603260, 622720, 634880, 655360, 689440, 711680, 888832, 917504, 965216, 996352, 1015808, 1103104, 1111040, 1138688, 1146880, 1206520, 1245440, 1269760, 1378880, 1423360, 1777664, 1930432, 1992704, 2031616, 2206208, 2222080, 2277376, 2293760, 2413040, 2490880, 2539520, 2757760, 2846720, 3555328, 3860864, 3985408, 4063232, 4412416, 4444160, 4554752, 4587520, 4826080, 4981760, 5079040, 5515520, 5693440, 7110656, 7721728, 7970816, 8824832, 8888320, 9109504, 9652160, 9963520, 10158080, 11031040, 11386880, 14221312, 15443456, 15941632, 17649664, 17776640, 18219008, 19304320, 19927040, 20316160, 22062080, 22773760, 28442624, 30886912, 31883264, 35299328, 35553280, 38608640, 39854080, 44124160, 45547520, 61773824, 63766528, 70598656, 71106560, 77217280, 79708160, 88248320, 91095040, 123547648, 127533056, 141197312, 142213120, 154434560, 159416320, 176496640, 247095296, 282394624, 308869120, 318832640, 352993280, 494190592, 564789248, 617738240, 637665280, 705986560, 988381184, 1235476480, 1411973120, 1976762368, 2470952960, 2823946240, 3953524736, 4941905920, 9883811840, 19767623680]

約数ペア:

[(1, 19767623680), (2, 9883811840), (4, 4941905920), (5, 3953524736), (7, 2823946240), (8, 2470952960), (10, 1976762368), (14, 1411973120), (16, 1235476480), (20, 988381184), (28, 705986560), (31, 637665280), (32, 617738240), (35, 564789248), (40, 494190592), (56, 352993280), (62, 318832640), (64, 308869120), (70, 282394624), (80, 247095296), (112, 176496640), (124, 159416320), (128, 154434560), (139, 142213120), (140, 141197312), (155, 127533056), (160, 123547648), (217, 91095040), (224, 88248320), (248, 79708160), (256, 77217280), (278, 71106560), (280, 70598656), (310, 63766528), (320, 61773824), (434, 45547520), (448, 44124160), (496, 39854080), (512, 38608640), (556, 35553280), (560, 35299328), (620, 31883264), (640, 30886912), (695, 28442624), (868, 22773760), (896, 22062080), (973, 20316160), (992, 19927040), (1024, 19304320), (1085, 18219008), (1112, 17776640), (1120, 17649664), (1240, 15941632), (1280, 15443456), (1390, 14221312), (1736, 11386880), (1792, 11031040), (1946, 10158080), (1984, 9963520), (2048, 9652160), (2170, 9109504), (2224, 8888320), (2240, 8824832), (2480, 7970816), (2560, 7721728), (2780, 7110656), (3472, 5693440), (3584, 5515520), (3892, 5079040), (3968, 4981760), (4096, 4826080), (4309, 4587520), (4340, 4554752), (4448, 4444160), (4480, 4412416), (4865, 4063232), (4960, 3985408), (5120, 3860864), (5560, 3555328), (6944, 2846720), (7168, 2757760), (7784, 2539520), (7936, 2490880), (8192, 2413040), (8618, 2293760), (8680, 2277376), (8896, 2222080), (8960, 2206208), (9730, 2031616), (9920, 1992704), (10240, 1930432), (11120, 1777664), (13888, 1423360), (14336, 1378880), (15568, 1269760), (15872, 1245440), (16384, 1206520), (17236, 1146880), (17360, 1138688), (17792, 1111040), (17920, 1103104), (19460, 1015808), (19840, 996352), (20480, 965216), (21545, 917504), (22240, 888832), (27776, 711680), (28672, 689440), (30163, 655360), (31136, 634880), (31744, 622720), (32768, 603260), (34472, 573440), (34720, 569344), (35584, 555520), (35840, 551552), (38920, 507904), (39680, 498176), (40960, 482608), (43090, 458752), (44480, 444416), (55552, 355840), (57344, 344720), (60326, 327680), (62272, 317440), (63488, 311360), (65536, 301630), (68944, 286720), (69440, 284672), (71168, 277760), (71680, 275776), (77840, 253952), (79360, 249088), (81920, 241304), (86180, 229376), (88960, 222208), (111104, 177920), (114688, 172360), (120652, 163840), (124544, 158720), (126976, 155680), (131072, 150815), (137888, 143360), (138880, 142336)]