336327680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 176

約数和(自身を含む): 902383104

約数和(自身を除く): 566055424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 163, 208, 248, 256, 260, 310, 320, 326, 403, 416, 496, 512, 520, 620, 640, 652, 806, 815, 832, 992, 1024, 1040, 1240, 1280, 1304, 1612, 1630, 1664, 1984, 2015, 2080, 2119, 2480, 2560, 2608, 3224, 3260, 3328, 3968, 4030, 4160, 4238, 4960, 5053, 5120, 5216, 6448, 6520, 6656, 7936, 8060, 8320, 8476, 9920, 10106, 10432, 10595, 12896, 13040, 13312, 15872, 16120, 16640, 16952, 19840, 20212, 20864, 21190, 25265, 25792, 26080, 31744, 32240, 33280, 33904, 39680, 40424, 41728, 42380, 50530, 51584, 52160, 64480, 65689, 66560, 67808, 79360, 80848, 83456, 84760, 101060, 103168, 104320, 128960, 131378, 135616, 158720, 161696, 166912, 169520, 202120, 206336, 208640, 257920, 262756, 271232, 323392, 328445, 339040, 404240, 412672, 417280, 515840, 525512, 542464, 646784, 656890, 678080, 808480, 834560, 1031680, 1051024, 1084928, 1293568, 1313780, 1356160, 1616960, 2063360, 2102048, 2169856, 2587136, 2627560, 2712320, 3233920, 4204096, 5174272, 5255120, 5424640, 6467840, 8408192, 10510240, 10849280, 12935680, 16816384, 21020480, 25871360, 33632768, 42040960, 67265536, 84081920, 168163840, 336327680]

約数ペア:

[(1, 336327680), (2, 168163840), (4, 84081920), (5, 67265536), (8, 42040960), (10, 33632768), (13, 25871360), (16, 21020480), (20, 16816384), (26, 12935680), (31, 10849280), (32, 10510240), (40, 8408192), (52, 6467840), (62, 5424640), (64, 5255120), (65, 5174272), (80, 4204096), (104, 3233920), (124, 2712320), (128, 2627560), (130, 2587136), (155, 2169856), (160, 2102048), (163, 2063360), (208, 1616960), (248, 1356160), (256, 1313780), (260, 1293568), (310, 1084928), (320, 1051024), (326, 1031680), (403, 834560), (416, 808480), (496, 678080), (512, 656890), (520, 646784), (620, 542464), (640, 525512), (652, 515840), (806, 417280), (815, 412672), (832, 404240), (992, 339040), (1024, 328445), (1040, 323392), (1240, 271232), (1280, 262756), (1304, 257920), (1612, 208640), (1630, 206336), (1664, 202120), (1984, 169520), (2015, 166912), (2080, 161696), (2119, 158720), (2480, 135616), (2560, 131378), (2608, 128960), (3224, 104320), (3260, 103168), (3328, 101060), (3968, 84760), (4030, 83456), (4160, 80848), (4238, 79360), (4960, 67808), (5053, 66560), (5120, 65689), (5216, 64480), (6448, 52160), (6520, 51584), (6656, 50530), (7936, 42380), (8060, 41728), (8320, 40424), (8476, 39680), (9920, 33904), (10106, 33280), (10432, 32240), (10595, 31744), (12896, 26080), (13040, 25792), (13312, 25265), (15872, 21190), (16120, 20864), (16640, 20212), (16952, 19840)]