20191806720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{76207}}^1$

素因数の和:76257

約数の個数: 216

約数和(自身を含む): 72899963136

約数和(自身を除く): 52708156416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 768, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1656, 1840, 1920, 2070, 2208, 2304, 2760, 2880, 2944, 3312, 3680, 3840, 4140, 4416, 5520, 5760, 5888, 6624, 7360, 8280, 8832, 11040, 11520, 13248, 14720, 16560, 17664, 22080, 26496, 29440, 33120, 44160, 52992, 66240, 76207, 88320, 132480, 152414, 228621, 264960, 304828, 381035, 457242, 609656, 685863, 762070, 914484, 1143105, 1219312, 1371726, 1524140, 1752761, 1828968, 2286210, 2438624, 2743452, 3048280, 3429315, 3505522, 3657936, 4572420, 4877248, 5258283, 5486904, 6096560, 6858630, 7011044, 7315872, 8763805, 9144840, 9754496, 10516566, 10973808, 12193120, 13717260, 14022088, 14631744, 15774849, 17527610, 18289680, 19508992, 21033132, 21947616, 24386240, 26291415, 27434520, 28044176, 29263488, 31549698, 35055220, 36579360, 42066264, 43895232, 48772480, 52582830, 54869040, 56088352, 58526976, 63099396, 70110440, 73158720, 78874245, 84132528, 87790464, 97544960, 105165660, 109738080, 112176704, 126198792, 140220880, 146317440, 157748490, 168265056, 175580928, 210331320, 219476160, 224353408, 252397584, 280441760, 292634880, 315496980, 336530112, 420662640, 438952320, 448706816, 504795168, 560883520, 630993960, 673060224, 841325280, 877904640, 1009590336, 1121767040, 1261987920, 1346120448, 1682650560, 2019180672, 2243534080, 2523975840, 3365301120, 4038361344, 5047951680, 6730602240, 10095903360, 20191806720]

約数ペア:

[(1, 20191806720), (2, 10095903360), (3, 6730602240), (4, 5047951680), (5, 4038361344), (6, 3365301120), (8, 2523975840), (9, 2243534080), (10, 2019180672), (12, 1682650560), (15, 1346120448), (16, 1261987920), (18, 1121767040), (20, 1009590336), (23, 877904640), (24, 841325280), (30, 673060224), (32, 630993960), (36, 560883520), (40, 504795168), (45, 448706816), (46, 438952320), (48, 420662640), (60, 336530112), (64, 315496980), (69, 292634880), (72, 280441760), (80, 252397584), (90, 224353408), (92, 219476160), (96, 210331320), (115, 175580928), (120, 168265056), (128, 157748490), (138, 146317440), (144, 140220880), (160, 126198792), (180, 112176704), (184, 109738080), (192, 105165660), (207, 97544960), (230, 87790464), (240, 84132528), (256, 78874245), (276, 73158720), (288, 70110440), (320, 63099396), (345, 58526976), (360, 56088352), (368, 54869040), (384, 52582830), (414, 48772480), (460, 43895232), (480, 42066264), (552, 36579360), (576, 35055220), (640, 31549698), (690, 29263488), (720, 28044176), (736, 27434520), (768, 26291415), (828, 24386240), (920, 21947616), (960, 21033132), (1035, 19508992), (1104, 18289680), (1152, 17527610), (1280, 15774849), (1380, 14631744), (1440, 14022088), (1472, 13717260), (1656, 12193120), (1840, 10973808), (1920, 10516566), (2070, 9754496), (2208, 9144840), (2304, 8763805), (2760, 7315872), (2880, 7011044), (2944, 6858630), (3312, 6096560), (3680, 5486904), (3840, 5258283), (4140, 4877248), (4416, 4572420), (5520, 3657936), (5760, 3505522), (5888, 3429315), (6624, 3048280), (7360, 2743452), (8280, 2438624), (8832, 2286210), (11040, 1828968), (11520, 1752761), (13248, 1524140), (14720, 1371726), (16560, 1219312), (17664, 1143105), (22080, 914484), (26496, 762070), (29440, 685863), (33120, 609656), (44160, 457242), (52992, 381035), (66240, 304828), (76207, 264960), (88320, 228621), (132480, 152414)]