128573440

素因数分解:

$2^{13}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 112

約数和(自身を含む): 320058288

約数和(自身を除く): 191484848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 73, 80, 86, 128, 146, 160, 172, 215, 256, 292, 320, 344, 365, 430, 512, 584, 640, 688, 730, 860, 1024, 1168, 1280, 1376, 1460, 1720, 2048, 2336, 2560, 2752, 2920, 3139, 3440, 4096, 4672, 5120, 5504, 5840, 6278, 6880, 8192, 9344, 10240, 11008, 11680, 12556, 13760, 15695, 18688, 20480, 22016, 23360, 25112, 27520, 31390, 37376, 40960, 44032, 46720, 50224, 55040, 62780, 74752, 88064, 93440, 100448, 110080, 125560, 149504, 176128, 186880, 200896, 220160, 251120, 299008, 352256, 373760, 401792, 440320, 502240, 598016, 747520, 803584, 880640, 1004480, 1495040, 1607168, 1761280, 2008960, 2990080, 3214336, 4017920, 6428672, 8035840, 12857344, 16071680, 25714688, 32143360, 64286720, 128573440]

約数ペア:

[(1, 128573440), (2, 64286720), (4, 32143360), (5, 25714688), (8, 16071680), (10, 12857344), (16, 8035840), (20, 6428672), (32, 4017920), (40, 3214336), (43, 2990080), (64, 2008960), (73, 1761280), (80, 1607168), (86, 1495040), (128, 1004480), (146, 880640), (160, 803584), (172, 747520), (215, 598016), (256, 502240), (292, 440320), (320, 401792), (344, 373760), (365, 352256), (430, 299008), (512, 251120), (584, 220160), (640, 200896), (688, 186880), (730, 176128), (860, 149504), (1024, 125560), (1168, 110080), (1280, 100448), (1376, 93440), (1460, 88064), (1720, 74752), (2048, 62780), (2336, 55040), (2560, 50224), (2752, 46720), (2920, 44032), (3139, 40960), (3440, 37376), (4096, 31390), (4672, 27520), (5120, 25112), (5504, 23360), (5840, 22016), (6278, 20480), (6880, 18688), (8192, 15695), (9344, 13760), (10240, 12556), (11008, 11680)]