64507520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 208780740

約数和(自身を除く): 144273220

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 49, 55, 56, 64, 68, 70, 77, 80, 85, 88, 98, 110, 112, 119, 121, 128, 136, 140, 154, 160, 170, 176, 187, 196, 220, 224, 238, 242, 245, 272, 280, 308, 320, 340, 352, 374, 385, 392, 440, 448, 476, 484, 490, 539, 544, 560, 595, 605, 616, 640, 680, 704, 748, 770, 784, 833, 847, 880, 896, 935, 952, 968, 980, 1078, 1088, 1120, 1190, 1210, 1232, 1309, 1360, 1408, 1496, 1540, 1568, 1666, 1694, 1760, 1870, 1904, 1936, 1960, 2057, 2156, 2176, 2240, 2380, 2420, 2464, 2618, 2695, 2720, 2992, 3080, 3136, 3332, 3388, 3520, 3740, 3808, 3872, 3920, 4114, 4165, 4235, 4312, 4480, 4760, 4840, 4928, 5236, 5390, 5440, 5929, 5984, 6160, 6272, 6545, 6664, 6776, 7040, 7480, 7616, 7744, 7840, 8228, 8330, 8470, 8624, 9163, 9520, 9680, 9856, 10285, 10472, 10780, 10880, 11858, 11968, 12320, 13090, 13328, 13552, 14399, 14960, 15232, 15488, 15680, 16456, 16660, 16940, 17248, 18326, 19040, 19360, 20570, 20944, 21560, 23716, 23936, 24640, 26180, 26656, 27104, 28798, 29645, 29920, 31360, 32912, 33320, 33880, 34496, 36652, 38080, 38720, 41140, 41888, 43120, 45815, 47432, 49280, 52360, 53312, 54208, 57596, 59290, 59840, 65824, 66640, 67760, 68992, 71995, 73304, 76160, 77440, 82280, 83776, 86240, 91630, 94864, 100793, 104720, 106624, 108416, 115192, 118580, 119680, 131648, 133280, 135520, 143990, 146608, 164560, 167552, 172480, 183260, 189728, 201586, 209440, 230384, 237160, 263296, 266560, 271040, 287980, 293216, 329120, 344960, 366520, 379456, 403172, 418880, 460768, 474320, 503965, 533120, 542080, 575960, 586432, 658240, 733040, 758912, 806344, 837760, 921536, 948640, 1007930, 1151920, 1172864, 1316480, 1466080, 1612688, 1843072, 1897280, 2015860, 2303840, 2932160, 3225376, 3794560, 4031720, 4607680, 5864320, 6450752, 8063440, 9215360, 12901504, 16126880, 32253760, 64507520]

約数ペア:

[(1, 64507520), (2, 32253760), (4, 16126880), (5, 12901504), (7, 9215360), (8, 8063440), (10, 6450752), (11, 5864320), (14, 4607680), (16, 4031720), (17, 3794560), (20, 3225376), (22, 2932160), (28, 2303840), (32, 2015860), (34, 1897280), (35, 1843072), (40, 1612688), (44, 1466080), (49, 1316480), (55, 1172864), (56, 1151920), (64, 1007930), (68, 948640), (70, 921536), (77, 837760), (80, 806344), (85, 758912), (88, 733040), (98, 658240), (110, 586432), (112, 575960), (119, 542080), (121, 533120), (128, 503965), (136, 474320), (140, 460768), (154, 418880), (160, 403172), (170, 379456), (176, 366520), (187, 344960), (196, 329120), (220, 293216), (224, 287980), (238, 271040), (242, 266560), (245, 263296), (272, 237160), (280, 230384), (308, 209440), (320, 201586), (340, 189728), (352, 183260), (374, 172480), (385, 167552), (392, 164560), (440, 146608), (448, 143990), (476, 135520), (484, 133280), (490, 131648), (539, 119680), (544, 118580), (560, 115192), (595, 108416), (605, 106624), (616, 104720), (640, 100793), (680, 94864), (704, 91630), (748, 86240), (770, 83776), (784, 82280), (833, 77440), (847, 76160), (880, 73304), (896, 71995), (935, 68992), (952, 67760), (968, 66640), (980, 65824), (1078, 59840), (1088, 59290), (1120, 57596), (1190, 54208), (1210, 53312), (1232, 52360), (1309, 49280), (1360, 47432), (1408, 45815), (1496, 43120), (1540, 41888), (1568, 41140), (1666, 38720), (1694, 38080), (1760, 36652), (1870, 34496), (1904, 33880), (1936, 33320), (1960, 32912), (2057, 31360), (2156, 29920), (2176, 29645), (2240, 28798), (2380, 27104), (2420, 26656), (2464, 26180), (2618, 24640), (2695, 23936), (2720, 23716), (2992, 21560), (3080, 20944), (3136, 20570), (3332, 19360), (3388, 19040), (3520, 18326), (3740, 17248), (3808, 16940), (3872, 16660), (3920, 16456), (4114, 15680), (4165, 15488), (4235, 15232), (4312, 14960), (4480, 14399), (4760, 13552), (4840, 13328), (4928, 13090), (5236, 12320), (5390, 11968), (5440, 11858), (5929, 10880), (5984, 10780), (6160, 10472), (6272, 10285), (6545, 9856), (6664, 9680), (6776, 9520), (7040, 9163), (7480, 8624), (7616, 8470), (7744, 8330), (7840, 8228)]