256745088

素因数分解:

$2^7\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 777142080

約数和(自身を除く): 520396992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 71, 72, 73, 86, 96, 128, 129, 142, 144, 146, 172, 192, 213, 219, 258, 284, 288, 292, 344, 384, 387, 426, 438, 516, 568, 576, 584, 639, 657, 688, 774, 852, 876, 1032, 1136, 1152, 1168, 1278, 1314, 1376, 1548, 1704, 1752, 2064, 2272, 2336, 2556, 2628, 2752, 3053, 3096, 3139, 3408, 3504, 4128, 4544, 4672, 5112, 5183, 5256, 5504, 6106, 6192, 6278, 6816, 7008, 8256, 9088, 9159, 9344, 9417, 10224, 10366, 10512, 12212, 12384, 12556, 13632, 14016, 15549, 16512, 18318, 18834, 20448, 20732, 21024, 24424, 24768, 25112, 27264, 27477, 28032, 28251, 31098, 36636, 37668, 40896, 41464, 42048, 46647, 48848, 49536, 50224, 54954, 56502, 62196, 73272, 75336, 81792, 82928, 84096, 93294, 97696, 100448, 109908, 113004, 124392, 146544, 150672, 165856, 186588, 195392, 200896, 219816, 222869, 226008, 248784, 293088, 301344, 331712, 373176, 390784, 401792, 439632, 445738, 452016, 497568, 586176, 602688, 663424, 668607, 746352, 879264, 891476, 904032, 995136, 1172352, 1205376, 1337214, 1492704, 1758528, 1782952, 1808064, 1990272, 2005821, 2674428, 2985408, 3517056, 3565904, 3616128, 4011642, 5348856, 5970816, 7131808, 8023284, 10697712, 14263616, 16046568, 21395424, 28527232, 32093136, 42790848, 64186272, 85581696, 128372544, 256745088]

約数ペア:

[(1, 256745088), (2, 128372544), (3, 85581696), (4, 64186272), (6, 42790848), (8, 32093136), (9, 28527232), (12, 21395424), (16, 16046568), (18, 14263616), (24, 10697712), (32, 8023284), (36, 7131808), (43, 5970816), (48, 5348856), (64, 4011642), (71, 3616128), (72, 3565904), (73, 3517056), (86, 2985408), (96, 2674428), (128, 2005821), (129, 1990272), (142, 1808064), (144, 1782952), (146, 1758528), (172, 1492704), (192, 1337214), (213, 1205376), (219, 1172352), (258, 995136), (284, 904032), (288, 891476), (292, 879264), (344, 746352), (384, 668607), (387, 663424), (426, 602688), (438, 586176), (516, 497568), (568, 452016), (576, 445738), (584, 439632), (639, 401792), (657, 390784), (688, 373176), (774, 331712), (852, 301344), (876, 293088), (1032, 248784), (1136, 226008), (1152, 222869), (1168, 219816), (1278, 200896), (1314, 195392), (1376, 186588), (1548, 165856), (1704, 150672), (1752, 146544), (2064, 124392), (2272, 113004), (2336, 109908), (2556, 100448), (2628, 97696), (2752, 93294), (3053, 84096), (3096, 82928), (3139, 81792), (3408, 75336), (3504, 73272), (4128, 62196), (4544, 56502), (4672, 54954), (5112, 50224), (5183, 49536), (5256, 48848), (5504, 46647), (6106, 42048), (6192, 41464), (6278, 40896), (6816, 37668), (7008, 36636), (8256, 31098), (9088, 28251), (9159, 28032), (9344, 27477), (9417, 27264), (10224, 25112), (10366, 24768), (10512, 24424), (12212, 21024), (12384, 20732), (12556, 20448), (13632, 18834), (14016, 18318), (15549, 16512)]