705986560

素因数分解:

$2^{15}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 1761580800

約数和(自身を除く): 1055594240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 256, 278, 310, 320, 496, 512, 556, 620, 640, 695, 992, 1024, 1112, 1240, 1280, 1390, 1984, 2048, 2224, 2480, 2560, 2780, 3968, 4096, 4309, 4448, 4960, 5120, 5560, 7936, 8192, 8618, 8896, 9920, 10240, 11120, 15872, 16384, 17236, 17792, 19840, 20480, 21545, 22240, 31744, 32768, 34472, 35584, 39680, 40960, 43090, 44480, 63488, 68944, 71168, 79360, 81920, 86180, 88960, 126976, 137888, 142336, 158720, 163840, 172360, 177920, 253952, 275776, 284672, 317440, 344720, 355840, 507904, 551552, 569344, 634880, 689440, 711680, 1015808, 1103104, 1138688, 1269760, 1378880, 1423360, 2206208, 2277376, 2539520, 2757760, 2846720, 4412416, 4554752, 5079040, 5515520, 5693440, 8824832, 11031040, 11386880, 17649664, 22062080, 22773760, 35299328, 44124160, 70598656, 88248320, 141197312, 176496640, 352993280, 705986560]

約数ペア:

[(1, 705986560), (2, 352993280), (4, 176496640), (5, 141197312), (8, 88248320), (10, 70598656), (16, 44124160), (20, 35299328), (31, 22773760), (32, 22062080), (40, 17649664), (62, 11386880), (64, 11031040), (80, 8824832), (124, 5693440), (128, 5515520), (139, 5079040), (155, 4554752), (160, 4412416), (248, 2846720), (256, 2757760), (278, 2539520), (310, 2277376), (320, 2206208), (496, 1423360), (512, 1378880), (556, 1269760), (620, 1138688), (640, 1103104), (695, 1015808), (992, 711680), (1024, 689440), (1112, 634880), (1240, 569344), (1280, 551552), (1390, 507904), (1984, 355840), (2048, 344720), (2224, 317440), (2480, 284672), (2560, 275776), (2780, 253952), (3968, 177920), (4096, 172360), (4309, 163840), (4448, 158720), (4960, 142336), (5120, 137888), (5560, 126976), (7936, 88960), (8192, 86180), (8618, 81920), (8896, 79360), (9920, 71168), (10240, 68944), (11120, 63488), (15872, 44480), (16384, 43090), (17236, 40960), (17792, 39680), (19840, 35584), (20480, 34472), (21545, 32768), (22240, 31744)]