256020912

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 888276480

約数和(自身を除く): 632255568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 81, 84, 92, 108, 112, 126, 138, 144, 161, 162, 168, 184, 189, 207, 216, 243, 252, 276, 322, 324, 336, 368, 378, 409, 414, 432, 483, 486, 504, 552, 567, 621, 644, 648, 756, 818, 828, 966, 972, 1008, 1104, 1134, 1227, 1242, 1288, 1296, 1449, 1512, 1636, 1656, 1701, 1863, 1932, 1944, 2268, 2454, 2484, 2576, 2863, 2898, 3024, 3272, 3312, 3402, 3681, 3726, 3864, 3888, 4347, 4536, 4908, 4968, 5589, 5726, 5796, 6544, 6804, 7362, 7452, 7728, 8589, 8694, 9072, 9407, 9816, 9936, 11043, 11178, 11452, 11592, 13041, 13608, 14724, 14904, 17178, 17388, 18814, 19632, 22086, 22356, 22904, 23184, 25767, 26082, 27216, 28221, 29448, 29808, 33129, 34356, 34776, 37628, 39123, 44172, 44712, 45808, 51534, 52164, 56442, 58896, 65849, 66258, 68712, 69552, 75256, 77301, 78246, 84663, 88344, 89424, 99387, 103068, 104328, 112884, 131698, 132516, 137424, 150512, 154602, 156492, 169326, 176688, 197547, 198774, 206136, 208656, 225768, 231903, 253989, 263396, 265032, 309204, 312984, 338652, 395094, 397548, 412272, 451536, 463806, 507978, 526792, 530064, 592641, 618408, 625968, 677304, 695709, 761967, 790188, 795096, 927612, 1015956, 1053584, 1185282, 1236816, 1354608, 1391418, 1523934, 1580376, 1590192, 1777923, 1855224, 2031912, 2285901, 2370564, 2782836, 3047868, 3160752, 3555846, 3710448, 4063824, 4571802, 4741128, 5333769, 5565672, 6095736, 7111692, 9143604, 9482256, 10667538, 11131344, 12191472, 14223384, 16001307, 18287208, 21335076, 28446768, 32002614, 36574416, 42670152, 64005228, 85340304, 128010456, 256020912]

約数ペア:

[(1, 256020912), (2, 128010456), (3, 85340304), (4, 64005228), (6, 42670152), (7, 36574416), (8, 32002614), (9, 28446768), (12, 21335076), (14, 18287208), (16, 16001307), (18, 14223384), (21, 12191472), (23, 11131344), (24, 10667538), (27, 9482256), (28, 9143604), (36, 7111692), (42, 6095736), (46, 5565672), (48, 5333769), (54, 4741128), (56, 4571802), (63, 4063824), (69, 3710448), (72, 3555846), (81, 3160752), (84, 3047868), (92, 2782836), (108, 2370564), (112, 2285901), (126, 2031912), (138, 1855224), (144, 1777923), (161, 1590192), (162, 1580376), (168, 1523934), (184, 1391418), (189, 1354608), (207, 1236816), (216, 1185282), (243, 1053584), (252, 1015956), (276, 927612), (322, 795096), (324, 790188), (336, 761967), (368, 695709), (378, 677304), (409, 625968), (414, 618408), (432, 592641), (483, 530064), (486, 526792), (504, 507978), (552, 463806), (567, 451536), (621, 412272), (644, 397548), (648, 395094), (756, 338652), (818, 312984), (828, 309204), (966, 265032), (972, 263396), (1008, 253989), (1104, 231903), (1134, 225768), (1227, 208656), (1242, 206136), (1288, 198774), (1296, 197547), (1449, 176688), (1512, 169326), (1636, 156492), (1656, 154602), (1701, 150512), (1863, 137424), (1932, 132516), (1944, 131698), (2268, 112884), (2454, 104328), (2484, 103068), (2576, 99387), (2863, 89424), (2898, 88344), (3024, 84663), (3272, 78246), (3312, 77301), (3402, 75256), (3681, 69552), (3726, 68712), (3864, 66258), (3888, 65849), (4347, 58896), (4536, 56442), (4908, 52164), (4968, 51534), (5589, 45808), (5726, 44712), (5796, 44172), (6544, 39123), (6804, 37628), (7362, 34776), (7452, 34356), (7728, 33129), (8589, 29808), (8694, 29448), (9072, 28221), (9407, 27216), (9816, 26082), (9936, 25767), (11043, 23184), (11178, 22904), (11452, 22356), (11592, 22086), (13041, 19632), (13608, 18814), (14724, 17388), (14904, 17178)]