20889780480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2111}}^1$

素因数の和:2997

約数の個数: 216

約数和(自身を含む): 72394882560

約数和(自身を除く): 51505102080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 859, 960, 1152, 1280, 1440, 1718, 1920, 2111, 2304, 2577, 2880, 3436, 3840, 4222, 4295, 5154, 5760, 6333, 6872, 7731, 8444, 8590, 10308, 10555, 11520, 12666, 12885, 13744, 15462, 16888, 17180, 18999, 20616, 21110, 25332, 25770, 27488, 30924, 31665, 33776, 34360, 37998, 38655, 41232, 42220, 50664, 51540, 54976, 61848, 63330, 67552, 68720, 75996, 77310, 82464, 84440, 94995, 101328, 103080, 109952, 123696, 126660, 135104, 137440, 151992, 154620, 164928, 168880, 189990, 202656, 206160, 219904, 247392, 253320, 270208, 274880, 303984, 309240, 329856, 337760, 379980, 405312, 412320, 494784, 506640, 540416, 549760, 607968, 618480, 659712, 675520, 759960, 810624, 824640, 989568, 1013280, 1099520, 1215936, 1236960, 1351040, 1519920, 1621248, 1649280, 1813349, 1979136, 2026560, 2431872, 2473920, 2702080, 3039840, 3298560, 3626698, 4053120, 4863744, 4947840, 5440047, 6079680, 7253396, 8106240, 9066745, 9895680, 10880094, 12159360, 14506792, 16320141, 18133490, 21760188, 24318720, 27200235, 29013584, 32640282, 36266980, 43520376, 54400470, 58027168, 65280564, 72533960, 81600705, 87040752, 108800940, 116054336, 130561128, 145067920, 163201410, 174081504, 217601880, 232108672, 261122256, 290135840, 326402820, 348163008, 435203760, 464217344, 522244512, 580271680, 652805640, 696326016, 870407520, 1044489024, 1160543360, 1305611280, 1392652032, 1740815040, 2088978048, 2321086720, 2611222560, 3481630080, 4177956096, 5222445120, 6963260160, 10444890240, 20889780480]

約数ペア:

[(1, 20889780480), (2, 10444890240), (3, 6963260160), (4, 5222445120), (5, 4177956096), (6, 3481630080), (8, 2611222560), (9, 2321086720), (10, 2088978048), (12, 1740815040), (15, 1392652032), (16, 1305611280), (18, 1160543360), (20, 1044489024), (24, 870407520), (30, 696326016), (32, 652805640), (36, 580271680), (40, 522244512), (45, 464217344), (48, 435203760), (60, 348163008), (64, 326402820), (72, 290135840), (80, 261122256), (90, 232108672), (96, 217601880), (120, 174081504), (128, 163201410), (144, 145067920), (160, 130561128), (180, 116054336), (192, 108800940), (240, 87040752), (256, 81600705), (288, 72533960), (320, 65280564), (360, 58027168), (384, 54400470), (480, 43520376), (576, 36266980), (640, 32640282), (720, 29013584), (768, 27200235), (859, 24318720), (960, 21760188), (1152, 18133490), (1280, 16320141), (1440, 14506792), (1718, 12159360), (1920, 10880094), (2111, 9895680), (2304, 9066745), (2577, 8106240), (2880, 7253396), (3436, 6079680), (3840, 5440047), (4222, 4947840), (4295, 4863744), (5154, 4053120), (5760, 3626698), (6333, 3298560), (6872, 3039840), (7731, 2702080), (8444, 2473920), (8590, 2431872), (10308, 2026560), (10555, 1979136), (11520, 1813349), (12666, 1649280), (12885, 1621248), (13744, 1519920), (15462, 1351040), (16888, 1236960), (17180, 1215936), (18999, 1099520), (20616, 1013280), (21110, 989568), (25332, 824640), (25770, 810624), (27488, 759960), (30924, 675520), (31665, 659712), (33776, 618480), (34360, 607968), (37998, 549760), (38655, 540416), (41232, 506640), (42220, 494784), (50664, 412320), (51540, 405312), (54976, 379980), (61848, 337760), (63330, 329856), (67552, 309240), (68720, 303984), (75996, 274880), (77310, 270208), (82464, 253320), (84440, 247392), (94995, 219904), (101328, 206160), (103080, 202656), (109952, 189990), (123696, 168880), (126660, 164928), (135104, 154620), (137440, 151992)]