56168320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 148911840

約数和(自身を除く): 92743520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 157, 160, 172, 208, 215, 260, 314, 320, 344, 416, 430, 520, 559, 628, 640, 688, 785, 832, 860, 1040, 1118, 1256, 1376, 1570, 1664, 1720, 2041, 2080, 2236, 2512, 2752, 2795, 3140, 3440, 4082, 4160, 4472, 5024, 5504, 5590, 6280, 6751, 6880, 8164, 8320, 8944, 10048, 10205, 11180, 12560, 13502, 13760, 16328, 17888, 20096, 20410, 22360, 25120, 27004, 27520, 32656, 33755, 35776, 40820, 44720, 50240, 54008, 65312, 67510, 71552, 81640, 87763, 89440, 100480, 108016, 130624, 135020, 163280, 175526, 178880, 216032, 261248, 270040, 326560, 351052, 357760, 432064, 438815, 540080, 653120, 702104, 864128, 877630, 1080160, 1306240, 1404208, 1755260, 2160320, 2808416, 3510520, 4320640, 5616832, 7021040, 11233664, 14042080, 28084160, 56168320]

約数ペア:

[(1, 56168320), (2, 28084160), (4, 14042080), (5, 11233664), (8, 7021040), (10, 5616832), (13, 4320640), (16, 3510520), (20, 2808416), (26, 2160320), (32, 1755260), (40, 1404208), (43, 1306240), (52, 1080160), (64, 877630), (65, 864128), (80, 702104), (86, 653120), (104, 540080), (128, 438815), (130, 432064), (157, 357760), (160, 351052), (172, 326560), (208, 270040), (215, 261248), (260, 216032), (314, 178880), (320, 175526), (344, 163280), (416, 135020), (430, 130624), (520, 108016), (559, 100480), (628, 89440), (640, 87763), (688, 81640), (785, 71552), (832, 67510), (860, 65312), (1040, 54008), (1118, 50240), (1256, 44720), (1376, 40820), (1570, 35776), (1664, 33755), (1720, 32656), (2041, 27520), (2080, 27004), (2236, 25120), (2512, 22360), (2752, 20410), (2795, 20096), (3140, 17888), (3440, 16328), (4082, 13760), (4160, 13502), (4472, 12560), (5024, 11180), (5504, 10205), (5590, 10048), (6280, 8944), (6751, 8320), (6880, 8164)]