1821122240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 336

約数和(自身を含む): 5374001952

約数和(自身を除く): 3552879712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 43, 49, 56, 64, 70, 73, 74, 80, 86, 98, 112, 140, 146, 148, 160, 172, 185, 196, 215, 224, 245, 259, 280, 292, 296, 301, 320, 344, 365, 370, 392, 430, 448, 490, 511, 518, 560, 584, 592, 602, 688, 730, 740, 784, 860, 980, 1022, 1036, 1120, 1168, 1184, 1204, 1295, 1376, 1460, 1480, 1505, 1568, 1591, 1720, 1813, 1960, 2044, 2072, 2107, 2240, 2336, 2368, 2408, 2555, 2590, 2701, 2752, 2920, 2960, 3010, 3136, 3139, 3182, 3440, 3577, 3626, 3920, 4088, 4144, 4214, 4672, 4816, 5110, 5180, 5402, 5840, 5920, 6020, 6278, 6364, 6880, 7154, 7252, 7840, 7955, 8176, 8288, 8428, 9065, 9632, 10220, 10360, 10535, 10804, 11137, 11680, 11840, 12040, 12556, 12728, 13505, 13760, 14308, 14504, 15680, 15695, 15910, 16352, 16576, 16856, 17885, 18130, 18907, 19264, 20440, 20720, 21070, 21608, 21973, 22274, 23360, 24080, 25112, 25456, 27010, 28616, 29008, 31390, 31820, 32704, 33712, 35770, 36260, 37814, 40880, 41440, 42140, 43216, 43946, 44548, 48160, 50224, 50912, 54020, 55685, 57232, 58016, 62780, 63640, 67424, 71540, 72520, 75628, 77959, 81760, 82880, 84280, 86432, 87892, 89096, 94535, 96320, 100448, 101824, 108040, 109865, 111370, 114464, 116032, 116143, 125560, 127280, 132349, 134848, 143080, 145040, 151256, 153811, 155918, 163520, 168560, 172864, 175784, 178192, 189070, 200896, 216080, 219730, 222740, 228928, 232286, 251120, 254560, 264698, 286160, 290080, 302512, 307622, 311836, 337120, 351568, 356384, 378140, 389795, 432160, 439460, 445480, 464572, 502240, 509120, 529396, 572320, 580160, 580715, 605024, 615244, 623672, 661745, 674240, 703136, 712768, 756280, 769055, 779590, 813001, 864320, 878920, 890960, 929144, 1004480, 1058792, 1144640, 1161430, 1210048, 1230488, 1247344, 1323490, 1406272, 1512560, 1538110, 1559180, 1626002, 1757840, 1781920, 1858288, 2117584, 2322860, 2460976, 2494688, 2646980, 3025120, 3076220, 3118360, 3252004, 3515680, 3563840, 3716576, 4065005, 4235168, 4645720, 4921952, 4989376, 5293960, 5691007, 6050240, 6152440, 6236720, 6504008, 7031360, 7433152, 8130010, 8470336, 9291440, 9843904, 10587920, 11382014, 12304880, 12473440, 13008016, 16260020, 18582880, 21175840, 22764028, 24609760, 24946880, 26016032, 28455035, 32520040, 37165760, 42351680, 45528056, 49219520, 52032064, 56910070, 65040080, 91056112, 113820140, 130080160, 182112224, 227640280, 260160320, 364224448, 455280560, 910561120, 1821122240]

約数ペア:

[(1, 1821122240), (2, 910561120), (4, 455280560), (5, 364224448), (7, 260160320), (8, 227640280), (10, 182112224), (14, 130080160), (16, 113820140), (20, 91056112), (28, 65040080), (32, 56910070), (35, 52032064), (37, 49219520), (40, 45528056), (43, 42351680), (49, 37165760), (56, 32520040), (64, 28455035), (70, 26016032), (73, 24946880), (74, 24609760), (80, 22764028), (86, 21175840), (98, 18582880), (112, 16260020), (140, 13008016), (146, 12473440), (148, 12304880), (160, 11382014), (172, 10587920), (185, 9843904), (196, 9291440), (215, 8470336), (224, 8130010), (245, 7433152), (259, 7031360), (280, 6504008), (292, 6236720), (296, 6152440), (301, 6050240), (320, 5691007), (344, 5293960), (365, 4989376), (370, 4921952), (392, 4645720), (430, 4235168), (448, 4065005), (490, 3716576), (511, 3563840), (518, 3515680), (560, 3252004), (584, 3118360), (592, 3076220), (602, 3025120), (688, 2646980), (730, 2494688), (740, 2460976), (784, 2322860), (860, 2117584), (980, 1858288), (1022, 1781920), (1036, 1757840), (1120, 1626002), (1168, 1559180), (1184, 1538110), (1204, 1512560), (1295, 1406272), (1376, 1323490), (1460, 1247344), (1480, 1230488), (1505, 1210048), (1568, 1161430), (1591, 1144640), (1720, 1058792), (1813, 1004480), (1960, 929144), (2044, 890960), (2072, 878920), (2107, 864320), (2240, 813001), (2336, 779590), (2368, 769055), (2408, 756280), (2555, 712768), (2590, 703136), (2701, 674240), (2752, 661745), (2920, 623672), (2960, 615244), (3010, 605024), (3136, 580715), (3139, 580160), (3182, 572320), (3440, 529396), (3577, 509120), (3626, 502240), (3920, 464572), (4088, 445480), (4144, 439460), (4214, 432160), (4672, 389795), (4816, 378140), (5110, 356384), (5180, 351568), (5402, 337120), (5840, 311836), (5920, 307622), (6020, 302512), (6278, 290080), (6364, 286160), (6880, 264698), (7154, 254560), (7252, 251120), (7840, 232286), (7955, 228928), (8176, 222740), (8288, 219730), (8428, 216080), (9065, 200896), (9632, 189070), (10220, 178192), (10360, 175784), (10535, 172864), (10804, 168560), (11137, 163520), (11680, 155918), (11840, 153811), (12040, 151256), (12556, 145040), (12728, 143080), (13505, 134848), (13760, 132349), (14308, 127280), (14504, 125560), (15680, 116143), (15695, 116032), (15910, 114464), (16352, 111370), (16576, 109865), (16856, 108040), (17885, 101824), (18130, 100448), (18907, 96320), (19264, 94535), (20440, 89096), (20720, 87892), (21070, 86432), (21608, 84280), (21973, 82880), (22274, 81760), (23360, 77959), (24080, 75628), (25112, 72520), (25456, 71540), (27010, 67424), (28616, 63640), (29008, 62780), (31390, 58016), (31820, 57232), (32704, 55685), (33712, 54020), (35770, 50912), (36260, 50224), (37814, 48160), (40880, 44548), (41440, 43946), (42140, 43216)]