1291257720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:499

約数の個数: 256

約数和(自身を含む): 4530816000

約数和(自身を除く): 3239558280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 227, 229, 230, 270, 276, 345, 360, 414, 454, 458, 460, 540, 552, 621, 681, 687, 690, 828, 908, 916, 920, 1035, 1080, 1135, 1145, 1242, 1362, 1374, 1380, 1656, 1816, 1832, 2043, 2061, 2070, 2270, 2290, 2484, 2724, 2748, 2760, 3105, 3405, 3435, 4086, 4122, 4140, 4540, 4580, 4968, 5221, 5267, 5448, 5496, 6129, 6183, 6210, 6810, 6870, 8172, 8244, 8280, 9080, 9160, 10215, 10305, 10442, 10534, 12258, 12366, 12420, 13620, 13740, 15663, 15801, 16344, 16488, 20430, 20610, 20884, 21068, 24516, 24732, 24840, 26105, 26335, 27240, 27480, 30645, 30915, 31326, 31602, 40860, 41220, 41768, 42136, 46989, 47403, 49032, 49464, 51983, 52210, 52670, 61290, 61830, 62652, 63204, 78315, 79005, 81720, 82440, 93978, 94806, 103966, 104420, 105340, 122580, 123660, 125304, 126408, 140967, 142209, 155949, 156630, 158010, 187956, 189612, 207932, 208840, 210680, 234945, 237015, 245160, 247320, 259915, 281934, 284418, 311898, 313260, 316020, 375912, 379224, 415864, 467847, 469890, 474030, 519830, 563868, 568836, 623796, 626520, 632040, 704835, 711045, 779745, 935694, 939780, 948060, 1039660, 1127736, 1137672, 1195609, 1247592, 1403541, 1409670, 1422090, 1559490, 1871388, 1879560, 1896120, 2079320, 2339235, 2391218, 2807082, 2819340, 2844180, 3118980, 3586827, 3742776, 4678470, 4782436, 5614164, 5638680, 5688360, 5978045, 6237960, 7017705, 7173654, 9356940, 9564872, 10760481, 11228328, 11956090, 14035410, 14347308, 17934135, 18713880, 21520962, 23912180, 28070820, 28694616, 32281443, 35868270, 43041924, 47824360, 53802405, 56141640, 64562886, 71736540, 86083848, 107604810, 129125772, 143473080, 161407215, 215209620, 258251544, 322814430, 430419240, 645628860, 1291257720]

約数ペア:

[(1, 1291257720), (2, 645628860), (3, 430419240), (4, 322814430), (5, 258251544), (6, 215209620), (8, 161407215), (9, 143473080), (10, 129125772), (12, 107604810), (15, 86083848), (18, 71736540), (20, 64562886), (23, 56141640), (24, 53802405), (27, 47824360), (30, 43041924), (36, 35868270), (40, 32281443), (45, 28694616), (46, 28070820), (54, 23912180), (60, 21520962), (69, 18713880), (72, 17934135), (90, 14347308), (92, 14035410), (108, 11956090), (115, 11228328), (120, 10760481), (135, 9564872), (138, 9356940), (180, 7173654), (184, 7017705), (207, 6237960), (216, 5978045), (227, 5688360), (229, 5638680), (230, 5614164), (270, 4782436), (276, 4678470), (345, 3742776), (360, 3586827), (414, 3118980), (454, 2844180), (458, 2819340), (460, 2807082), (540, 2391218), (552, 2339235), (621, 2079320), (681, 1896120), (687, 1879560), (690, 1871388), (828, 1559490), (908, 1422090), (916, 1409670), (920, 1403541), (1035, 1247592), (1080, 1195609), (1135, 1137672), (1145, 1127736), (1242, 1039660), (1362, 948060), (1374, 939780), (1380, 935694), (1656, 779745), (1816, 711045), (1832, 704835), (2043, 632040), (2061, 626520), (2070, 623796), (2270, 568836), (2290, 563868), (2484, 519830), (2724, 474030), (2748, 469890), (2760, 467847), (3105, 415864), (3405, 379224), (3435, 375912), (4086, 316020), (4122, 313260), (4140, 311898), (4540, 284418), (4580, 281934), (4968, 259915), (5221, 247320), (5267, 245160), (5448, 237015), (5496, 234945), (6129, 210680), (6183, 208840), (6210, 207932), (6810, 189612), (6870, 187956), (8172, 158010), (8244, 156630), (8280, 155949), (9080, 142209), (9160, 140967), (10215, 126408), (10305, 125304), (10442, 123660), (10534, 122580), (12258, 105340), (12366, 104420), (12420, 103966), (13620, 94806), (13740, 93978), (15663, 82440), (15801, 81720), (16344, 79005), (16488, 78315), (20430, 63204), (20610, 62652), (20884, 61830), (21068, 61290), (24516, 52670), (24732, 52210), (24840, 51983), (26105, 49464), (26335, 49032), (27240, 47403), (27480, 46989), (30645, 42136), (30915, 41768), (31326, 41220), (31602, 40860)]