64286720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 104

約数和(自身を含む): 160019376

約数和(自身を除く): 95732656

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, 9344, 10240, 11008, 11680, 12556, 13760, 15695, 18688, 20480, 22016, 23360, 25112, 27520, 31390, 37376, 44032, 46720, 50224, 55040, 62780, 74752, 88064, 93440, 100448, 110080, 125560, 149504, 176128, 186880, 200896, 220160, 251120, 299008, 373760, 401792, 440320, 502240, 747520, 803584, 880640, 1004480, 1495040, 1607168, 2008960, 3214336, 4017920, 6428672, 8035840, 12857344, 16071680, 32143360, 64286720]

約数ペア:

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