66376520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 180576000

約数和(自身を除く): 114199480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 140, 148, 149, 172, 185, 215, 259, 280, 296, 298, 301, 344, 370, 430, 518, 596, 602, 740, 745, 860, 1036, 1043, 1192, 1204, 1295, 1480, 1490, 1505, 1591, 1720, 2072, 2086, 2408, 2590, 2980, 3010, 3182, 4172, 5180, 5215, 5513, 5960, 6020, 6364, 6407, 7955, 8344, 10360, 10430, 11026, 11137, 12040, 12728, 12814, 15910, 20860, 22052, 22274, 25628, 27565, 31820, 32035, 38591, 41720, 44104, 44548, 44849, 51256, 55130, 55685, 63640, 64070, 77182, 89096, 89698, 110260, 111370, 128140, 154364, 179396, 192955, 220520, 222740, 224245, 237059, 256280, 308728, 358792, 385910, 445480, 448490, 474118, 771820, 896980, 948236, 1185295, 1543640, 1659413, 1793960, 1896472, 2370590, 3318826, 4741180, 6637652, 8297065, 9482360, 13275304, 16594130, 33188260, 66376520]

約数ペア:

[(1, 66376520), (2, 33188260), (4, 16594130), (5, 13275304), (7, 9482360), (8, 8297065), (10, 6637652), (14, 4741180), (20, 3318826), (28, 2370590), (35, 1896472), (37, 1793960), (40, 1659413), (43, 1543640), (56, 1185295), (70, 948236), (74, 896980), (86, 771820), (140, 474118), (148, 448490), (149, 445480), (172, 385910), (185, 358792), (215, 308728), (259, 256280), (280, 237059), (296, 224245), (298, 222740), (301, 220520), (344, 192955), (370, 179396), (430, 154364), (518, 128140), (596, 111370), (602, 110260), (740, 89698), (745, 89096), (860, 77182), (1036, 64070), (1043, 63640), (1192, 55685), (1204, 55130), (1295, 51256), (1480, 44849), (1490, 44548), (1505, 44104), (1591, 41720), (1720, 38591), (2072, 32035), (2086, 31820), (2408, 27565), (2590, 25628), (2980, 22274), (3010, 22052), (3182, 20860), (4172, 15910), (5180, 12814), (5215, 12728), (5513, 12040), (5960, 11137), (6020, 11026), (6364, 10430), (6407, 10360), (7955, 8344)]