1293123584

素因数分解:

$2^{15}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 2852083200

約数和(自身を除く): 1558959616

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 67, 76, 124, 128, 134, 152, 248, 256, 268, 304, 496, 512, 536, 589, 608, 992, 1024, 1072, 1178, 1216, 1273, 1984, 2048, 2077, 2144, 2356, 2432, 2546, 3968, 4096, 4154, 4288, 4712, 4864, 5092, 7936, 8192, 8308, 8576, 9424, 9728, 10184, 15872, 16384, 16616, 17152, 18848, 19456, 20368, 31744, 32768, 33232, 34304, 37696, 38912, 39463, 40736, 63488, 66464, 68608, 75392, 77824, 78926, 81472, 126976, 132928, 137216, 150784, 155648, 157852, 162944, 253952, 265856, 274432, 301568, 311296, 315704, 325888, 507904, 531712, 548864, 603136, 622592, 631408, 651776, 1015808, 1063424, 1097728, 1206272, 1262816, 1303552, 2126848, 2195456, 2412544, 2525632, 2607104, 4253696, 4825088, 5051264, 5214208, 8507392, 9650176, 10102528, 10428416, 17014784, 19300352, 20205056, 20856832, 34029568, 40410112, 41713664, 68059136, 80820224, 161640448, 323280896, 646561792, 1293123584]

約数ペア:

[(1, 1293123584), (2, 646561792), (4, 323280896), (8, 161640448), (16, 80820224), (19, 68059136), (31, 41713664), (32, 40410112), (38, 34029568), (62, 20856832), (64, 20205056), (67, 19300352), (76, 17014784), (124, 10428416), (128, 10102528), (134, 9650176), (152, 8507392), (248, 5214208), (256, 5051264), (268, 4825088), (304, 4253696), (496, 2607104), (512, 2525632), (536, 2412544), (589, 2195456), (608, 2126848), (992, 1303552), (1024, 1262816), (1072, 1206272), (1178, 1097728), (1216, 1063424), (1273, 1015808), (1984, 651776), (2048, 631408), (2077, 622592), (2144, 603136), (2356, 548864), (2432, 531712), (2546, 507904), (3968, 325888), (4096, 315704), (4154, 311296), (4288, 301568), (4712, 274432), (4864, 265856), (5092, 253952), (7936, 162944), (8192, 157852), (8308, 155648), (8576, 150784), (9424, 137216), (9728, 132928), (10184, 126976), (15872, 81472), (16384, 78926), (16616, 77824), (17152, 75392), (18848, 68608), (19456, 66464), (20368, 63488), (31744, 40736), (32768, 39463), (33232, 38912), (34304, 37696)]