1215549440

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 208

約数和(自身を含む): 3412698240

約数和(自身を除く): 2197148800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 139, 140, 160, 224, 244, 256, 278, 280, 305, 320, 427, 448, 488, 512, 556, 560, 610, 640, 695, 854, 896, 973, 976, 1024, 1112, 1120, 1220, 1280, 1390, 1708, 1792, 1946, 1952, 2048, 2135, 2224, 2240, 2440, 2560, 2780, 3416, 3584, 3892, 3904, 4096, 4270, 4448, 4480, 4865, 4880, 5120, 5560, 6832, 7168, 7784, 7808, 8479, 8540, 8896, 8960, 9730, 9760, 10240, 11120, 13664, 14336, 15568, 15616, 16958, 17080, 17792, 17920, 19460, 19520, 20480, 22240, 27328, 28672, 31136, 31232, 33916, 34160, 35584, 35840, 38920, 39040, 42395, 44480, 54656, 59353, 62272, 62464, 67832, 68320, 71168, 71680, 77840, 78080, 84790, 88960, 109312, 118706, 124544, 124928, 135664, 136640, 142336, 143360, 155680, 156160, 169580, 177920, 218624, 237412, 249088, 249856, 271328, 273280, 284672, 296765, 311360, 312320, 339160, 355840, 437248, 474824, 498176, 542656, 546560, 569344, 593530, 622720, 624640, 678320, 711680, 874496, 949648, 996352, 1085312, 1093120, 1187060, 1245440, 1249280, 1356640, 1423360, 1748992, 1899296, 1992704, 2170624, 2186240, 2374120, 2490880, 2713280, 2846720, 3798592, 3985408, 4341248, 4372480, 4748240, 4981760, 5426560, 7597184, 8682496, 8744960, 9496480, 9963520, 10853120, 15194368, 17364992, 18992960, 19927040, 21706240, 30388736, 34729984, 37985920, 43412480, 60777472, 75971840, 86824960, 121554944, 151943680, 173649920, 243109888, 303887360, 607774720, 1215549440]

約数ペア:

[(1, 1215549440), (2, 607774720), (4, 303887360), (5, 243109888), (7, 173649920), (8, 151943680), (10, 121554944), (14, 86824960), (16, 75971840), (20, 60777472), (28, 43412480), (32, 37985920), (35, 34729984), (40, 30388736), (56, 21706240), (61, 19927040), (64, 18992960), (70, 17364992), (80, 15194368), (112, 10853120), (122, 9963520), (128, 9496480), (139, 8744960), (140, 8682496), (160, 7597184), (224, 5426560), (244, 4981760), (256, 4748240), (278, 4372480), (280, 4341248), (305, 3985408), (320, 3798592), (427, 2846720), (448, 2713280), (488, 2490880), (512, 2374120), (556, 2186240), (560, 2170624), (610, 1992704), (640, 1899296), (695, 1748992), (854, 1423360), (896, 1356640), (973, 1249280), (976, 1245440), (1024, 1187060), (1112, 1093120), (1120, 1085312), (1220, 996352), (1280, 949648), (1390, 874496), (1708, 711680), (1792, 678320), (1946, 624640), (1952, 622720), (2048, 593530), (2135, 569344), (2224, 546560), (2240, 542656), (2440, 498176), (2560, 474824), (2780, 437248), (3416, 355840), (3584, 339160), (3892, 312320), (3904, 311360), (4096, 296765), (4270, 284672), (4448, 273280), (4480, 271328), (4865, 249856), (4880, 249088), (5120, 237412), (5560, 218624), (6832, 177920), (7168, 169580), (7784, 156160), (7808, 155680), (8479, 143360), (8540, 142336), (8896, 136640), (8960, 135664), (9730, 124928), (9760, 124544), (10240, 118706), (11120, 109312), (13664, 88960), (14336, 84790), (15568, 78080), (15616, 77840), (16958, 71680), (17080, 71168), (17792, 68320), (17920, 67832), (19460, 62464), (19520, 62272), (20480, 59353), (22240, 54656), (27328, 44480), (28672, 42395), (31136, 39040), (31232, 38920), (33916, 35840), (34160, 35584)]