20541382400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 432

約数和(自身を含む): 64369713408

約数和(自身を除く): 43828331008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 73, 77, 80, 88, 100, 110, 112, 128, 140, 146, 154, 160, 175, 176, 200, 220, 224, 256, 275, 280, 292, 308, 320, 350, 352, 365, 385, 400, 440, 448, 511, 550, 560, 571, 584, 616, 640, 700, 704, 730, 770, 800, 803, 880, 896, 1022, 1100, 1120, 1142, 1168, 1232, 1280, 1400, 1408, 1460, 1540, 1600, 1606, 1760, 1792, 1825, 1925, 2044, 2200, 2240, 2284, 2336, 2464, 2555, 2800, 2816, 2855, 2920, 3080, 3200, 3212, 3520, 3650, 3850, 3997, 4015, 4088, 4400, 4480, 4568, 4672, 4928, 5110, 5600, 5621, 5710, 5840, 6160, 6281, 6400, 6424, 7040, 7300, 7700, 7994, 8030, 8176, 8800, 8960, 9136, 9344, 9856, 10220, 11200, 11242, 11420, 11680, 12320, 12562, 12775, 12848, 14080, 14275, 14600, 15400, 15988, 16060, 16352, 17600, 18272, 18688, 19712, 19985, 20075, 20440, 22400, 22484, 22840, 23360, 24640, 25124, 25550, 25696, 28105, 28550, 29200, 30800, 31405, 31976, 32120, 32704, 35200, 36544, 39970, 40150, 40880, 41683, 43967, 44800, 44968, 45680, 46720, 49280, 50248, 51100, 51392, 56210, 57100, 58400, 61600, 62810, 63952, 64240, 65408, 70400, 73088, 79940, 80300, 81760, 83366, 87934, 89936, 91360, 93440, 98560, 99925, 100496, 102200, 102784, 112420, 114200, 116800, 123200, 125620, 127904, 128480, 130816, 140525, 146176, 157025, 159880, 160600, 163520, 166732, 175868, 179872, 182720, 199850, 200992, 204400, 205568, 208415, 219835, 224840, 228400, 233600, 246400, 251240, 255808, 256960, 281050, 291781, 314050, 319760, 321200, 327040, 333464, 351736, 359744, 365440, 399700, 401984, 408800, 416830, 439670, 449680, 456800, 458513, 467200, 492800, 502480, 511616, 513920, 562100, 583562, 628100, 639520, 642400, 654080, 666928, 703472, 719488, 730880, 799400, 803968, 817600, 833660, 879340, 899360, 913600, 917026, 1004960, 1023232, 1027840, 1042075, 1099175, 1124200, 1167124, 1256200, 1279040, 1284800, 1333856, 1406944, 1438976, 1458905, 1598800, 1607936, 1635200, 1667320, 1758680, 1798720, 1827200, 1834052, 2009920, 2084150, 2198350, 2248400, 2292565, 2334248, 2512400, 2558080, 2569600, 2667712, 2813888, 2917810, 3197600, 3209591, 3270400, 3334640, 3517360, 3597440, 3654400, 3668104, 4019840, 4168300, 4396700, 4496800, 4585130, 4668496, 5024800, 5116160, 5139200, 5335424, 5627776, 5835620, 6395200, 6419182, 6669280, 7034720, 7194880, 7294525, 7336208, 8039680, 8336600, 8793400, 8993600, 9170260, 9336992, 10049600, 10670848, 11255552, 11462825, 11671240, 12790400, 12838364, 13338560, 14069440, 14589050, 14672416, 16047955, 16673200, 17586800, 17987200, 18340520, 18673984, 20099200, 22925650, 23342480, 25580800, 25676728, 26677120, 28138880, 29178100, 29344832, 32095910, 33346400, 35173600, 35974400, 36681040, 37347968, 40198400, 45851300, 46684960, 51353456, 53354240, 56277760, 58356200, 58689664, 64191820, 66692800, 70347200, 73362080, 74695936, 80239775, 91702600, 93369920, 102706912, 116712400, 117379328, 128383640, 133385600, 140694400, 146724160, 160479550, 183405200, 186739840, 205413824, 233424800, 256767280, 266771200, 281388800, 293448320, 320959100, 366810400, 373479680, 410827648, 466849600, 513534560, 586896640, 641918200, 733620800, 821655296, 933699200, 1027069120, 1283836400, 1467241600, 1867398400, 2054138240, 2567672800, 2934483200, 4108276480, 5135345600, 10270691200, 20541382400]

約数ペア:

[(1, 20541382400), (2, 10270691200), (4, 5135345600), (5, 4108276480), (7, 2934483200), (8, 2567672800), (10, 2054138240), (11, 1867398400), (14, 1467241600), (16, 1283836400), (20, 1027069120), (22, 933699200), (25, 821655296), (28, 733620800), (32, 641918200), (35, 586896640), (40, 513534560), (44, 466849600), (50, 410827648), (55, 373479680), (56, 366810400), (64, 320959100), (70, 293448320), (73, 281388800), (77, 266771200), (80, 256767280), (88, 233424800), (100, 205413824), (110, 186739840), (112, 183405200), (128, 160479550), (140, 146724160), (146, 140694400), (154, 133385600), (160, 128383640), (175, 117379328), (176, 116712400), (200, 102706912), (220, 93369920), (224, 91702600), (256, 80239775), (275, 74695936), (280, 73362080), (292, 70347200), (308, 66692800), (320, 64191820), (350, 58689664), (352, 58356200), (365, 56277760), (385, 53354240), (400, 51353456), (440, 46684960), (448, 45851300), (511, 40198400), (550, 37347968), (560, 36681040), (571, 35974400), (584, 35173600), (616, 33346400), (640, 32095910), (700, 29344832), (704, 29178100), (730, 28138880), (770, 26677120), (800, 25676728), (803, 25580800), (880, 23342480), (896, 22925650), (1022, 20099200), (1100, 18673984), (1120, 18340520), (1142, 17987200), (1168, 17586800), (1232, 16673200), (1280, 16047955), (1400, 14672416), (1408, 14589050), (1460, 14069440), (1540, 13338560), (1600, 12838364), (1606, 12790400), (1760, 11671240), (1792, 11462825), (1825, 11255552), (1925, 10670848), (2044, 10049600), (2200, 9336992), (2240, 9170260), (2284, 8993600), (2336, 8793400), (2464, 8336600), (2555, 8039680), (2800, 7336208), (2816, 7294525), (2855, 7194880), (2920, 7034720), (3080, 6669280), (3200, 6419182), (3212, 6395200), (3520, 5835620), (3650, 5627776), (3850, 5335424), (3997, 5139200), (4015, 5116160), (4088, 5024800), (4400, 4668496), (4480, 4585130), (4568, 4496800), (4672, 4396700), (4928, 4168300), (5110, 4019840), (5600, 3668104), (5621, 3654400), (5710, 3597440), (5840, 3517360), (6160, 3334640), (6281, 3270400), (6400, 3209591), (6424, 3197600), (7040, 2917810), (7300, 2813888), (7700, 2667712), (7994, 2569600), (8030, 2558080), (8176, 2512400), (8800, 2334248), (8960, 2292565), (9136, 2248400), (9344, 2198350), (9856, 2084150), (10220, 2009920), (11200, 1834052), (11242, 1827200), (11420, 1798720), (11680, 1758680), (12320, 1667320), (12562, 1635200), (12775, 1607936), (12848, 1598800), (14080, 1458905), (14275, 1438976), (14600, 1406944), (15400, 1333856), (15988, 1284800), (16060, 1279040), (16352, 1256200), (17600, 1167124), (18272, 1124200), (18688, 1099175), (19712, 1042075), (19985, 1027840), (20075, 1023232), (20440, 1004960), (22400, 917026), (22484, 913600), (22840, 899360), (23360, 879340), (24640, 833660), (25124, 817600), (25550, 803968), (25696, 799400), (28105, 730880), (28550, 719488), (29200, 703472), (30800, 666928), (31405, 654080), (31976, 642400), (32120, 639520), (32704, 628100), (35200, 583562), (36544, 562100), (39970, 513920), (40150, 511616), (40880, 502480), (41683, 492800), (43967, 467200), (44800, 458513), (44968, 456800), (45680, 449680), (46720, 439670), (49280, 416830), (50248, 408800), (51100, 401984), (51392, 399700), (56210, 365440), (57100, 359744), (58400, 351736), (61600, 333464), (62810, 327040), (63952, 321200), (64240, 319760), (65408, 314050), (70400, 291781), (73088, 281050), (79940, 256960), (80300, 255808), (81760, 251240), (83366, 246400), (87934, 233600), (89936, 228400), (91360, 224840), (93440, 219835), (98560, 208415), (99925, 205568), (100496, 204400), (102200, 200992), (102784, 199850), (112420, 182720), (114200, 179872), (116800, 175868), (123200, 166732), (125620, 163520), (127904, 160600), (128480, 159880), (130816, 157025), (140525, 146176)]