81172992

素因数分解:

$2^9\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 80

約数和(自身を含む): 221459040

約数和(自身を除く): 140286048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 512, 516, 688, 768, 1032, 1229, 1376, 1536, 2064, 2458, 2752, 3687, 4128, 4916, 5504, 7374, 8256, 9832, 11008, 14748, 16512, 19664, 22016, 29496, 33024, 39328, 52847, 58992, 66048, 78656, 105694, 117984, 157312, 158541, 211388, 235968, 314624, 317082, 422776, 471936, 629248, 634164, 845552, 943872, 1268328, 1691104, 1887744, 2536656, 3382208, 5073312, 6764416, 10146624, 13528832, 20293248, 27057664, 40586496, 81172992]

約数ペア:

[(1, 81172992), (2, 40586496), (3, 27057664), (4, 20293248), (6, 13528832), (8, 10146624), (12, 6764416), (16, 5073312), (24, 3382208), (32, 2536656), (43, 1887744), (48, 1691104), (64, 1268328), (86, 943872), (96, 845552), (128, 634164), (129, 629248), (172, 471936), (192, 422776), (256, 317082), (258, 314624), (344, 235968), (384, 211388), (512, 158541), (516, 157312), (688, 117984), (768, 105694), (1032, 78656), (1229, 66048), (1376, 58992), (1536, 52847), (2064, 39328), (2458, 33024), (2752, 29496), (3687, 22016), (4128, 19664), (4916, 16512), (5504, 14748), (7374, 11008), (8256, 9832)]