256331232

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:745

約数の個数: 144

約数和(自身を含む): 771301440

約数和(自身を除く): 514970208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 47, 48, 58, 72, 87, 94, 96, 116, 141, 144, 174, 188, 232, 261, 282, 288, 348, 376, 423, 464, 522, 564, 653, 696, 752, 846, 928, 1044, 1128, 1306, 1363, 1392, 1504, 1692, 1959, 2088, 2256, 2612, 2726, 2784, 3384, 3918, 4089, 4176, 4512, 5224, 5452, 5877, 6768, 7836, 8178, 8352, 10448, 10904, 11754, 12267, 13536, 15672, 16356, 18937, 20896, 21808, 23508, 24534, 30691, 31344, 32712, 37874, 43616, 47016, 49068, 56811, 61382, 62688, 65424, 75748, 92073, 94032, 98136, 113622, 122764, 130848, 151496, 170433, 184146, 188064, 196272, 227244, 245528, 276219, 302992, 340866, 368292, 392544, 454488, 491056, 552438, 605984, 681732, 736584, 890039, 908976, 982112, 1104876, 1363464, 1473168, 1780078, 1817952, 2209752, 2670117, 2726928, 2946336, 3560156, 4419504, 5340234, 5453856, 7120312, 8010351, 8839008, 10680468, 14240624, 16020702, 21360936, 28481248, 32041404, 42721872, 64082808, 85443744, 128165616, 256331232]

約数ペア:

[(1, 256331232), (2, 128165616), (3, 85443744), (4, 64082808), (6, 42721872), (8, 32041404), (9, 28481248), (12, 21360936), (16, 16020702), (18, 14240624), (24, 10680468), (29, 8839008), (32, 8010351), (36, 7120312), (47, 5453856), (48, 5340234), (58, 4419504), (72, 3560156), (87, 2946336), (94, 2726928), (96, 2670117), (116, 2209752), (141, 1817952), (144, 1780078), (174, 1473168), (188, 1363464), (232, 1104876), (261, 982112), (282, 908976), (288, 890039), (348, 736584), (376, 681732), (423, 605984), (464, 552438), (522, 491056), (564, 454488), (653, 392544), (696, 368292), (752, 340866), (846, 302992), (928, 276219), (1044, 245528), (1128, 227244), (1306, 196272), (1363, 188064), (1392, 184146), (1504, 170433), (1692, 151496), (1959, 130848), (2088, 122764), (2256, 113622), (2612, 98136), (2726, 94032), (2784, 92073), (3384, 75748), (3918, 65424), (4089, 62688), (4176, 61382), (4512, 56811), (5224, 49068), (5452, 47016), (5877, 43616), (6768, 37874), (7836, 32712), (8178, 31344), (8352, 30691), (10448, 24534), (10904, 23508), (11754, 21808), (12267, 20896), (13536, 18937), (15672, 16356)]