161640448

素因数分解:

$2^{12}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 104

約数和(自身を含む): 356472320

約数和(自身を除く): 194831872

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, 8308, 8576, 9424, 9728, 10184, 15872, 16616, 17152, 18848, 19456, 20368, 31744, 33232, 34304, 37696, 38912, 39463, 40736, 63488, 66464, 68608, 75392, 77824, 78926, 81472, 126976, 132928, 137216, 150784, 157852, 162944, 265856, 274432, 301568, 315704, 325888, 531712, 603136, 631408, 651776, 1063424, 1206272, 1262816, 1303552, 2126848, 2412544, 2525632, 2607104, 4253696, 5051264, 5214208, 8507392, 10102528, 20205056, 40410112, 80820224, 161640448]

約数ペア:

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