19808158720

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:285

約数の個数: 352

約数和(自身を含む): 56364357888

約数和(自身を除く): 36556199168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 73, 80, 112, 113, 128, 134, 140, 146, 160, 224, 226, 256, 268, 280, 292, 320, 335, 365, 448, 452, 469, 511, 512, 536, 560, 565, 584, 640, 670, 730, 791, 896, 904, 938, 1022, 1024, 1072, 1120, 1130, 1168, 1280, 1340, 1460, 1582, 1792, 1808, 1876, 2044, 2144, 2240, 2260, 2336, 2345, 2555, 2560, 2680, 2920, 3164, 3584, 3616, 3752, 3955, 4088, 4288, 4480, 4520, 4672, 4690, 4891, 5110, 5120, 5360, 5840, 6328, 7168, 7232, 7504, 7571, 7910, 8176, 8249, 8576, 8960, 9040, 9344, 9380, 9782, 10220, 10720, 11680, 12656, 14464, 15008, 15142, 15820, 16352, 16498, 17152, 17920, 18080, 18688, 18760, 19564, 20440, 21440, 23360, 24455, 25312, 28928, 30016, 30284, 31640, 32704, 32996, 34237, 34304, 35840, 36160, 37376, 37520, 37855, 39128, 40880, 41245, 42880, 46720, 48910, 50624, 52997, 57743, 57856, 60032, 60568, 63280, 65408, 65992, 68474, 68608, 72320, 74752, 75040, 75710, 78256, 81760, 82490, 85760, 93440, 97820, 101248, 105994, 115486, 115712, 120064, 121136, 126560, 130816, 131984, 136948, 144640, 150080, 151420, 156512, 163520, 164980, 171185, 171520, 186880, 195640, 202496, 211988, 230972, 240128, 242272, 253120, 261632, 263968, 264985, 273896, 288715, 289280, 300160, 302840, 313024, 327040, 329960, 342370, 343040, 373760, 391280, 404992, 423976, 461944, 480256, 484544, 506240, 523264, 527936, 529970, 547792, 552683, 577430, 578560, 600320, 605680, 626048, 654080, 659920, 684740, 782560, 809984, 847952, 923888, 969088, 1012480, 1055872, 1059940, 1095584, 1105366, 1154860, 1200640, 1211360, 1252096, 1308160, 1319840, 1369480, 1565120, 1695904, 1847776, 1938176, 2024960, 2111744, 2119880, 2191168, 2210732, 2309720, 2401280, 2422720, 2504192, 2616320, 2639680, 2738960, 2763415, 3130240, 3391808, 3695552, 3868781, 3876352, 4049920, 4223488, 4239760, 4382336, 4421464, 4619440, 4845440, 5008384, 5279360, 5477920, 5526830, 6260480, 6783616, 7391104, 7737562, 7752704, 8446976, 8479520, 8764672, 8842928, 9238880, 9690880, 10558720, 10955840, 11053660, 12520960, 13567232, 14782208, 15475124, 16959040, 17529344, 17685856, 18477760, 19343905, 19381760, 21117440, 21911680, 22107320, 25041920, 27134464, 29564416, 30950248, 33918080, 35058688, 35371712, 36955520, 38687810, 38763520, 42234880, 43823360, 44214640, 54268928, 59128832, 61900496, 67836160, 70743424, 73911040, 77375620, 87646720, 88429280, 123800992, 135672320, 141486848, 147822080, 154751240, 175293440, 176858560, 247601984, 271344640, 282973696, 295644160, 309502480, 353717120, 495203968, 565947392, 619004960, 707434240, 990407936, 1238009920, 1414868480, 1980815872, 2476019840, 2829736960, 3961631744, 4952039680, 9904079360, 19808158720]

約数ペア:

[(1, 19808158720), (2, 9904079360), (4, 4952039680), (5, 3961631744), (7, 2829736960), (8, 2476019840), (10, 1980815872), (14, 1414868480), (16, 1238009920), (20, 990407936), (28, 707434240), (32, 619004960), (35, 565947392), (40, 495203968), (56, 353717120), (64, 309502480), (67, 295644160), (70, 282973696), (73, 271344640), (80, 247601984), (112, 176858560), (113, 175293440), (128, 154751240), (134, 147822080), (140, 141486848), (146, 135672320), (160, 123800992), (224, 88429280), (226, 87646720), (256, 77375620), (268, 73911040), (280, 70743424), (292, 67836160), (320, 61900496), (335, 59128832), (365, 54268928), (448, 44214640), (452, 43823360), (469, 42234880), (511, 38763520), (512, 38687810), (536, 36955520), (560, 35371712), (565, 35058688), (584, 33918080), (640, 30950248), (670, 29564416), (730, 27134464), (791, 25041920), (896, 22107320), (904, 21911680), (938, 21117440), (1022, 19381760), (1024, 19343905), (1072, 18477760), (1120, 17685856), (1130, 17529344), (1168, 16959040), (1280, 15475124), (1340, 14782208), (1460, 13567232), (1582, 12520960), (1792, 11053660), (1808, 10955840), (1876, 10558720), (2044, 9690880), (2144, 9238880), (2240, 8842928), (2260, 8764672), (2336, 8479520), (2345, 8446976), (2555, 7752704), (2560, 7737562), (2680, 7391104), (2920, 6783616), (3164, 6260480), (3584, 5526830), (3616, 5477920), (3752, 5279360), (3955, 5008384), (4088, 4845440), (4288, 4619440), (4480, 4421464), (4520, 4382336), (4672, 4239760), (4690, 4223488), (4891, 4049920), (5110, 3876352), (5120, 3868781), (5360, 3695552), (5840, 3391808), (6328, 3130240), (7168, 2763415), (7232, 2738960), (7504, 2639680), (7571, 2616320), (7910, 2504192), (8176, 2422720), (8249, 2401280), (8576, 2309720), (8960, 2210732), (9040, 2191168), (9344, 2119880), (9380, 2111744), (9782, 2024960), (10220, 1938176), (10720, 1847776), (11680, 1695904), (12656, 1565120), (14464, 1369480), (15008, 1319840), (15142, 1308160), (15820, 1252096), (16352, 1211360), (16498, 1200640), (17152, 1154860), (17920, 1105366), (18080, 1095584), (18688, 1059940), (18760, 1055872), (19564, 1012480), (20440, 969088), (21440, 923888), (23360, 847952), (24455, 809984), (25312, 782560), (28928, 684740), (30016, 659920), (30284, 654080), (31640, 626048), (32704, 605680), (32996, 600320), (34237, 578560), (34304, 577430), (35840, 552683), (36160, 547792), (37376, 529970), (37520, 527936), (37855, 523264), (39128, 506240), (40880, 484544), (41245, 480256), (42880, 461944), (46720, 423976), (48910, 404992), (50624, 391280), (52997, 373760), (57743, 343040), (57856, 342370), (60032, 329960), (60568, 327040), (63280, 313024), (65408, 302840), (65992, 300160), (68474, 289280), (68608, 288715), (72320, 273896), (74752, 264985), (75040, 263968), (75710, 261632), (78256, 253120), (81760, 242272), (82490, 240128), (85760, 230972), (93440, 211988), (97820, 202496), (101248, 195640), (105994, 186880), (115486, 171520), (115712, 171185), (120064, 164980), (121136, 163520), (126560, 156512), (130816, 151420), (131984, 150080), (136948, 144640)]