128479872

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 361912320

約数和(自身を除く): 233432448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 86, 93, 96, 124, 128, 129, 172, 186, 192, 248, 251, 258, 344, 372, 384, 496, 502, 516, 688, 744, 753, 992, 1004, 1032, 1333, 1376, 1488, 1506, 1984, 2008, 2064, 2666, 2752, 2976, 3012, 3968, 3999, 4016, 4128, 5332, 5504, 5952, 6024, 7781, 7998, 8032, 8256, 10664, 10793, 11904, 12048, 15562, 15996, 16064, 16512, 21328, 21586, 23343, 24096, 31124, 31992, 32128, 32379, 42656, 43172, 46686, 48192, 62248, 63984, 64758, 85312, 86344, 93372, 96384, 124496, 127968, 129516, 170624, 172688, 186744, 248992, 255936, 259032, 334583, 345376, 373488, 497984, 511872, 518064, 669166, 690752, 746976, 995968, 1003749, 1036128, 1338332, 1381504, 1493952, 2007498, 2072256, 2676664, 2987904, 4014996, 4144512, 5353328, 8029992, 10706656, 16059984, 21413312, 32119968, 42826624, 64239936, 128479872]

約数ペア:

[(1, 128479872), (2, 64239936), (3, 42826624), (4, 32119968), (6, 21413312), (8, 16059984), (12, 10706656), (16, 8029992), (24, 5353328), (31, 4144512), (32, 4014996), (43, 2987904), (48, 2676664), (62, 2072256), (64, 2007498), (86, 1493952), (93, 1381504), (96, 1338332), (124, 1036128), (128, 1003749), (129, 995968), (172, 746976), (186, 690752), (192, 669166), (248, 518064), (251, 511872), (258, 497984), (344, 373488), (372, 345376), (384, 334583), (496, 259032), (502, 255936), (516, 248992), (688, 186744), (744, 172688), (753, 170624), (992, 129516), (1004, 127968), (1032, 124496), (1333, 96384), (1376, 93372), (1488, 86344), (1506, 85312), (1984, 64758), (2008, 63984), (2064, 62248), (2666, 48192), (2752, 46686), (2976, 43172), (3012, 42656), (3968, 32379), (3999, 32128), (4016, 31992), (4128, 31124), (5332, 24096), (5504, 23343), (5952, 21586), (6024, 21328), (7781, 16512), (7998, 16064), (8032, 15996), (8256, 15562), (10664, 12048), (10793, 11904)]