256231584

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 216

約数和(自身を含む): 863448768

約数和(自身を除く): 607217184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 67, 72, 84, 96, 98, 112, 126, 134, 144, 147, 168, 196, 201, 224, 252, 268, 271, 288, 294, 336, 392, 402, 441, 469, 504, 536, 542, 588, 603, 672, 784, 804, 813, 882, 938, 1008, 1072, 1084, 1176, 1206, 1407, 1568, 1608, 1626, 1764, 1876, 1897, 2016, 2144, 2168, 2352, 2412, 2439, 2814, 3216, 3252, 3283, 3528, 3752, 3794, 4221, 4336, 4704, 4824, 4878, 5628, 5691, 6432, 6504, 6566, 7056, 7504, 7588, 8442, 8672, 9648, 9756, 9849, 11256, 11382, 13008, 13132, 13279, 14112, 15008, 15176, 16884, 17073, 18157, 19296, 19512, 19698, 22512, 22764, 26016, 26264, 26558, 29547, 30352, 33768, 34146, 36314, 39024, 39396, 39837, 45024, 45528, 52528, 53116, 54471, 59094, 60704, 67536, 68292, 72628, 78048, 78792, 79674, 91056, 105056, 106232, 108942, 118188, 119511, 127099, 135072, 136584, 145256, 157584, 159348, 163413, 182112, 212464, 217884, 236376, 239022, 254198, 273168, 290512, 315168, 318696, 326826, 381297, 424928, 435768, 472752, 478044, 508396, 546336, 581024, 637392, 653652, 762594, 871536, 889693, 945504, 956088, 1016792, 1143891, 1274784, 1307304, 1525188, 1743072, 1779386, 1912176, 2033584, 2287782, 2614608, 2669079, 3050376, 3558772, 3824352, 4067168, 4575564, 5229216, 5338158, 6100752, 7117544, 8007237, 9151128, 10676316, 12201504, 14235088, 16014474, 18302256, 21352632, 28470176, 32028948, 36604512, 42705264, 64057896, 85410528, 128115792, 256231584]

約数ペア:

[(1, 256231584), (2, 128115792), (3, 85410528), (4, 64057896), (6, 42705264), (7, 36604512), (8, 32028948), (9, 28470176), (12, 21352632), (14, 18302256), (16, 16014474), (18, 14235088), (21, 12201504), (24, 10676316), (28, 9151128), (32, 8007237), (36, 7117544), (42, 6100752), (48, 5338158), (49, 5229216), (56, 4575564), (63, 4067168), (67, 3824352), (72, 3558772), (84, 3050376), (96, 2669079), (98, 2614608), (112, 2287782), (126, 2033584), (134, 1912176), (144, 1779386), (147, 1743072), (168, 1525188), (196, 1307304), (201, 1274784), (224, 1143891), (252, 1016792), (268, 956088), (271, 945504), (288, 889693), (294, 871536), (336, 762594), (392, 653652), (402, 637392), (441, 581024), (469, 546336), (504, 508396), (536, 478044), (542, 472752), (588, 435768), (603, 424928), (672, 381297), (784, 326826), (804, 318696), (813, 315168), (882, 290512), (938, 273168), (1008, 254198), (1072, 239022), (1084, 236376), (1176, 217884), (1206, 212464), (1407, 182112), (1568, 163413), (1608, 159348), (1626, 157584), (1764, 145256), (1876, 136584), (1897, 135072), (2016, 127099), (2144, 119511), (2168, 118188), (2352, 108942), (2412, 106232), (2439, 105056), (2814, 91056), (3216, 79674), (3252, 78792), (3283, 78048), (3528, 72628), (3752, 68292), (3794, 67536), (4221, 60704), (4336, 59094), (4704, 54471), (4824, 53116), (4878, 52528), (5628, 45528), (5691, 45024), (6432, 39837), (6504, 39396), (6566, 39024), (7056, 36314), (7504, 34146), (7588, 33768), (8442, 30352), (8672, 29547), (9648, 26558), (9756, 26264), (9849, 26016), (11256, 22764), (11382, 22512), (13008, 19698), (13132, 19512), (13279, 19296), (14112, 18157), (15008, 17073), (15176, 16884)]