19807477760

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 336

約数和(自身を含む): 56478098880

約数和(自身を除く): 36670621120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 139, 140, 142, 160, 196, 224, 245, 256, 278, 280, 284, 320, 355, 392, 448, 490, 497, 512, 556, 560, 568, 640, 695, 710, 784, 896, 973, 980, 994, 1024, 1112, 1120, 1136, 1280, 1390, 1420, 1568, 1792, 1946, 1960, 1988, 2048, 2224, 2240, 2272, 2485, 2560, 2780, 2840, 3136, 3479, 3584, 3892, 3920, 3976, 4096, 4448, 4480, 4544, 4865, 4970, 5120, 5560, 5680, 6272, 6811, 6958, 7168, 7784, 7840, 7952, 8192, 8896, 8960, 9088, 9730, 9869, 9940, 10240, 11120, 11360, 12544, 13622, 13916, 14336, 15568, 15680, 15904, 17395, 17792, 17920, 18176, 19460, 19738, 19880, 20480, 22240, 22720, 25088, 27244, 27832, 28672, 31136, 31360, 31808, 34055, 34790, 35584, 35840, 36352, 38920, 39476, 39760, 40960, 44480, 45440, 49345, 50176, 54488, 55664, 57344, 62272, 62720, 63616, 68110, 69083, 69580, 71168, 71680, 72704, 77840, 78952, 79520, 88960, 90880, 98690, 100352, 108976, 111328, 124544, 125440, 127232, 136220, 138166, 139160, 142336, 143360, 145408, 155680, 157904, 159040, 177920, 181760, 197380, 200704, 217952, 222656, 249088, 250880, 254464, 272440, 276332, 278320, 284672, 286720, 290816, 311360, 315808, 318080, 345415, 355840, 363520, 394760, 401408, 435904, 445312, 483581, 498176, 501760, 508928, 544880, 552664, 556640, 569344, 581632, 622720, 631616, 636160, 690830, 711680, 727040, 789520, 871808, 890624, 967162, 996352, 1003520, 1017856, 1089760, 1105328, 1113280, 1138688, 1245440, 1263232, 1272320, 1381660, 1423360, 1454080, 1579040, 1743616, 1781248, 1934324, 1992704, 2007040, 2035712, 2179520, 2210656, 2226560, 2417905, 2490880, 2526464, 2544640, 2763320, 2846720, 2908160, 3158080, 3487232, 3562496, 3868648, 3985408, 4071424, 4359040, 4421312, 4453120, 4835810, 4981760, 5052928, 5089280, 5526640, 5693440, 6316160, 6974464, 7124992, 7737296, 7970816, 8718080, 8842624, 8906240, 9671620, 9963520, 10105856, 10178560, 11053280, 12632320, 13948928, 14249984, 15474592, 17436160, 17685248, 17812480, 19343240, 19927040, 20211712, 20357120, 22106560, 25264640, 27897856, 28499968, 30949184, 34872320, 35370496, 35624960, 38686480, 39854080, 40423424, 44213120, 50529280, 55795712, 61898368, 69744640, 70740992, 71249920, 77372960, 80846848, 88426240, 101058560, 123796736, 139489280, 141481984, 142499840, 154745920, 176852480, 202117120, 247593472, 278978560, 282963968, 309491840, 353704960, 404234240, 495186944, 565927936, 618983680, 707409920, 990373888, 1237967360, 1414819840, 1980747776, 2475934720, 2829639680, 3961495552, 4951869440, 9903738880, 19807477760]

約数ペア:

[(1, 19807477760), (2, 9903738880), (4, 4951869440), (5, 3961495552), (7, 2829639680), (8, 2475934720), (10, 1980747776), (14, 1414819840), (16, 1237967360), (20, 990373888), (28, 707409920), (32, 618983680), (35, 565927936), (40, 495186944), (49, 404234240), (56, 353704960), (64, 309491840), (70, 282963968), (71, 278978560), (80, 247593472), (98, 202117120), (112, 176852480), (128, 154745920), (139, 142499840), (140, 141481984), (142, 139489280), (160, 123796736), (196, 101058560), (224, 88426240), (245, 80846848), (256, 77372960), (278, 71249920), (280, 70740992), (284, 69744640), (320, 61898368), (355, 55795712), (392, 50529280), (448, 44213120), (490, 40423424), (497, 39854080), (512, 38686480), (556, 35624960), (560, 35370496), (568, 34872320), (640, 30949184), (695, 28499968), (710, 27897856), (784, 25264640), (896, 22106560), (973, 20357120), (980, 20211712), (994, 19927040), (1024, 19343240), (1112, 17812480), (1120, 17685248), (1136, 17436160), (1280, 15474592), (1390, 14249984), (1420, 13948928), (1568, 12632320), (1792, 11053280), (1946, 10178560), (1960, 10105856), (1988, 9963520), (2048, 9671620), (2224, 8906240), (2240, 8842624), (2272, 8718080), (2485, 7970816), (2560, 7737296), (2780, 7124992), (2840, 6974464), (3136, 6316160), (3479, 5693440), (3584, 5526640), (3892, 5089280), (3920, 5052928), (3976, 4981760), (4096, 4835810), (4448, 4453120), (4480, 4421312), (4544, 4359040), (4865, 4071424), (4970, 3985408), (5120, 3868648), (5560, 3562496), (5680, 3487232), (6272, 3158080), (6811, 2908160), (6958, 2846720), (7168, 2763320), (7784, 2544640), (7840, 2526464), (7952, 2490880), (8192, 2417905), (8896, 2226560), (8960, 2210656), (9088, 2179520), (9730, 2035712), (9869, 2007040), (9940, 1992704), (10240, 1934324), (11120, 1781248), (11360, 1743616), (12544, 1579040), (13622, 1454080), (13916, 1423360), (14336, 1381660), (15568, 1272320), (15680, 1263232), (15904, 1245440), (17395, 1138688), (17792, 1113280), (17920, 1105328), (18176, 1089760), (19460, 1017856), (19738, 1003520), (19880, 996352), (20480, 967162), (22240, 890624), (22720, 871808), (25088, 789520), (27244, 727040), (27832, 711680), (28672, 690830), (31136, 636160), (31360, 631616), (31808, 622720), (34055, 581632), (34790, 569344), (35584, 556640), (35840, 552664), (36352, 544880), (38920, 508928), (39476, 501760), (39760, 498176), (40960, 483581), (44480, 445312), (45440, 435904), (49345, 401408), (50176, 394760), (54488, 363520), (55664, 355840), (57344, 345415), (62272, 318080), (62720, 315808), (63616, 311360), (68110, 290816), (69083, 286720), (69580, 284672), (71168, 278320), (71680, 276332), (72704, 272440), (77840, 254464), (78952, 250880), (79520, 249088), (88960, 222656), (90880, 217952), (98690, 200704), (100352, 197380), (108976, 181760), (111328, 177920), (124544, 159040), (125440, 157904), (127232, 155680), (136220, 145408), (138166, 143360), (139160, 142336)]