256318608

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 847820736

約数和(自身を除く): 591502128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 83, 84, 91, 98, 101, 104, 112, 147, 156, 166, 168, 182, 196, 202, 208, 249, 273, 294, 303, 312, 332, 336, 364, 392, 404, 498, 546, 581, 588, 606, 624, 637, 664, 707, 728, 784, 808, 996, 1079, 1092, 1162, 1176, 1212, 1274, 1313, 1328, 1414, 1456, 1616, 1743, 1911, 1992, 2121, 2158, 2184, 2324, 2352, 2424, 2548, 2626, 2828, 3237, 3486, 3822, 3939, 3984, 4067, 4242, 4316, 4368, 4648, 4848, 4949, 5096, 5252, 5656, 6474, 6972, 7553, 7644, 7878, 8134, 8383, 8484, 8632, 9191, 9296, 9898, 10192, 10504, 11312, 12201, 12948, 13944, 14847, 15106, 15288, 15756, 16268, 16766, 16968, 17264, 18382, 19796, 21008, 22659, 24402, 25149, 25896, 27573, 27888, 29694, 30212, 30576, 31512, 32536, 33532, 33936, 36764, 39592, 45318, 48804, 50298, 51792, 52871, 55146, 58681, 59388, 60424, 63024, 64337, 65072, 67064, 73528, 79184, 90636, 97608, 100596, 105742, 108979, 110292, 117362, 118776, 120848, 128674, 134128, 147056, 158613, 176043, 181272, 193011, 195216, 201192, 211484, 217958, 220584, 234724, 237552, 257348, 317226, 326937, 352086, 362544, 386022, 402384, 410767, 422968, 435916, 441168, 469448, 514696, 634452, 653874, 704172, 762853, 772044, 821534, 845936, 871832, 938896, 1029392, 1232301, 1268904, 1307748, 1408344, 1525706, 1544088, 1643068, 1743664, 2288559, 2464602, 2537808, 2615496, 2816688, 3051412, 3088176, 3286136, 4577118, 4929204, 5230992, 5339971, 6102824, 6572272, 9154236, 9858408, 10679942, 12205648, 16019913, 18308472, 19716816, 21359884, 32039826, 36616944, 42719768, 64079652, 85439536, 128159304, 256318608]

約数ペア:

[(1, 256318608), (2, 128159304), (3, 85439536), (4, 64079652), (6, 42719768), (7, 36616944), (8, 32039826), (12, 21359884), (13, 19716816), (14, 18308472), (16, 16019913), (21, 12205648), (24, 10679942), (26, 9858408), (28, 9154236), (39, 6572272), (42, 6102824), (48, 5339971), (49, 5230992), (52, 4929204), (56, 4577118), (78, 3286136), (83, 3088176), (84, 3051412), (91, 2816688), (98, 2615496), (101, 2537808), (104, 2464602), (112, 2288559), (147, 1743664), (156, 1643068), (166, 1544088), (168, 1525706), (182, 1408344), (196, 1307748), (202, 1268904), (208, 1232301), (249, 1029392), (273, 938896), (294, 871832), (303, 845936), (312, 821534), (332, 772044), (336, 762853), (364, 704172), (392, 653874), (404, 634452), (498, 514696), (546, 469448), (581, 441168), (588, 435916), (606, 422968), (624, 410767), (637, 402384), (664, 386022), (707, 362544), (728, 352086), (784, 326937), (808, 317226), (996, 257348), (1079, 237552), (1092, 234724), (1162, 220584), (1176, 217958), (1212, 211484), (1274, 201192), (1313, 195216), (1328, 193011), (1414, 181272), (1456, 176043), (1616, 158613), (1743, 147056), (1911, 134128), (1992, 128674), (2121, 120848), (2158, 118776), (2184, 117362), (2324, 110292), (2352, 108979), (2424, 105742), (2548, 100596), (2626, 97608), (2828, 90636), (3237, 79184), (3486, 73528), (3822, 67064), (3939, 65072), (3984, 64337), (4067, 63024), (4242, 60424), (4316, 59388), (4368, 58681), (4648, 55146), (4848, 52871), (4949, 51792), (5096, 50298), (5252, 48804), (5656, 45318), (6474, 39592), (6972, 36764), (7553, 33936), (7644, 33532), (7878, 32536), (8134, 31512), (8383, 30576), (8484, 30212), (8632, 29694), (9191, 27888), (9296, 27573), (9898, 25896), (10192, 25149), (10504, 24402), (11312, 22659), (12201, 21008), (12948, 19796), (13944, 18382), (14847, 17264), (15106, 16968), (15288, 16766), (15756, 16268)]