21169920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 69904800

約数和(自身を除く): 48734880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 149, 160, 185, 192, 222, 240, 256, 296, 298, 320, 370, 384, 444, 447, 480, 555, 592, 596, 640, 740, 745, 768, 888, 894, 960, 1110, 1184, 1192, 1280, 1480, 1490, 1776, 1788, 1920, 2220, 2235, 2368, 2384, 2960, 2980, 3552, 3576, 3840, 4440, 4470, 4736, 4768, 5513, 5920, 5960, 7104, 7152, 8880, 8940, 9472, 9536, 11026, 11840, 11920, 14208, 14304, 16539, 17760, 17880, 19072, 22052, 23680, 23840, 27565, 28416, 28608, 33078, 35520, 35760, 38144, 44104, 47360, 47680, 55130, 57216, 66156, 71040, 71520, 82695, 88208, 95360, 110260, 114432, 132312, 142080, 143040, 165390, 176416, 190720, 220520, 264624, 286080, 330780, 352832, 441040, 529248, 572160, 661560, 705664, 882080, 1058496, 1323120, 1411328, 1764160, 2116992, 2646240, 3528320, 4233984, 5292480, 7056640, 10584960, 21169920]

約数ペア:

[(1, 21169920), (2, 10584960), (3, 7056640), (4, 5292480), (5, 4233984), (6, 3528320), (8, 2646240), (10, 2116992), (12, 1764160), (15, 1411328), (16, 1323120), (20, 1058496), (24, 882080), (30, 705664), (32, 661560), (37, 572160), (40, 529248), (48, 441040), (60, 352832), (64, 330780), (74, 286080), (80, 264624), (96, 220520), (111, 190720), (120, 176416), (128, 165390), (148, 143040), (149, 142080), (160, 132312), (185, 114432), (192, 110260), (222, 95360), (240, 88208), (256, 82695), (296, 71520), (298, 71040), (320, 66156), (370, 57216), (384, 55130), (444, 47680), (447, 47360), (480, 44104), (555, 38144), (592, 35760), (596, 35520), (640, 33078), (740, 28608), (745, 28416), (768, 27565), (888, 23840), (894, 23680), (960, 22052), (1110, 19072), (1184, 17880), (1192, 17760), (1280, 16539), (1480, 14304), (1490, 14208), (1776, 11920), (1788, 11840), (1920, 11026), (2220, 9536), (2235, 9472), (2368, 8940), (2384, 8880), (2960, 7152), (2980, 7104), (3552, 5960), (3576, 5920), (3840, 5513), (4440, 4768), (4470, 4736)]