256608768

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 750701952

約数和(自身を除く): 494093184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 71, 78, 96, 104, 128, 142, 156, 181, 192, 208, 213, 256, 284, 312, 362, 384, 416, 426, 512, 543, 568, 624, 724, 768, 832, 852, 923, 1086, 1136, 1248, 1448, 1536, 1664, 1704, 1846, 2172, 2272, 2353, 2496, 2769, 2896, 3328, 3408, 3692, 4344, 4544, 4706, 4992, 5538, 5792, 6656, 6816, 7059, 7384, 8688, 9088, 9412, 9984, 11076, 11584, 12851, 13632, 14118, 14768, 17376, 18176, 18824, 19968, 22152, 23168, 25702, 27264, 28236, 29536, 34752, 36352, 37648, 38553, 44304, 46336, 51404, 54528, 56472, 59072, 69504, 75296, 77106, 88608, 92672, 102808, 109056, 112944, 118144, 139008, 150592, 154212, 167063, 177216, 205616, 225888, 236288, 278016, 301184, 308424, 334126, 354432, 411232, 451776, 472576, 501189, 602368, 616848, 668252, 708864, 822464, 903552, 1002378, 1204736, 1233696, 1336504, 1417728, 1644928, 1807104, 2004756, 2467392, 2673008, 3289856, 3614208, 4009512, 4934784, 5346016, 6579712, 8019024, 9869568, 10692032, 16038048, 19739136, 21384064, 32076096, 42768128, 64152192, 85536256, 128304384, 256608768]

約数ペア:

[(1, 256608768), (2, 128304384), (3, 85536256), (4, 64152192), (6, 42768128), (8, 32076096), (12, 21384064), (13, 19739136), (16, 16038048), (24, 10692032), (26, 9869568), (32, 8019024), (39, 6579712), (48, 5346016), (52, 4934784), (64, 4009512), (71, 3614208), (78, 3289856), (96, 2673008), (104, 2467392), (128, 2004756), (142, 1807104), (156, 1644928), (181, 1417728), (192, 1336504), (208, 1233696), (213, 1204736), (256, 1002378), (284, 903552), (312, 822464), (362, 708864), (384, 668252), (416, 616848), (426, 602368), (512, 501189), (543, 472576), (568, 451776), (624, 411232), (724, 354432), (768, 334126), (832, 308424), (852, 301184), (923, 278016), (1086, 236288), (1136, 225888), (1248, 205616), (1448, 177216), (1536, 167063), (1664, 154212), (1704, 150592), (1846, 139008), (2172, 118144), (2272, 112944), (2353, 109056), (2496, 102808), (2769, 92672), (2896, 88608), (3328, 77106), (3408, 75296), (3692, 69504), (4344, 59072), (4544, 56472), (4706, 54528), (4992, 51404), (5538, 46336), (5792, 44304), (6656, 38553), (6816, 37648), (7059, 36352), (7384, 34752), (8688, 29536), (9088, 28236), (9412, 27264), (9984, 25702), (11076, 23168), (11584, 22152), (12851, 19968), (13632, 18824), (14118, 18176), (14768, 17376)]