257248278720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1\times {\mathrm{1277}}^1$

素因数の和:2032

約数の個数: 336

約数和(自身を含む): 894799470240

約数和(自身を除く): 637551191520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 144, 160, 180, 192, 226, 240, 288, 320, 339, 360, 452, 480, 565, 576, 619, 678, 720, 904, 960, 1017, 1130, 1238, 1277, 1356, 1440, 1695, 1808, 1857, 2034, 2260, 2476, 2554, 2712, 2880, 3095, 3390, 3616, 3714, 3831, 4068, 4520, 4952, 5085, 5108, 5424, 5571, 6190, 6385, 6780, 7232, 7428, 7662, 8136, 9040, 9285, 9904, 10170, 10216, 10848, 11142, 11493, 12380, 12770, 13560, 14856, 15324, 16272, 18080, 18570, 19155, 19808, 20340, 20432, 21696, 22284, 22986, 24760, 25540, 27120, 27855, 29712, 30648, 32544, 36160, 37140, 38310, 39616, 40680, 40864, 44568, 45972, 49520, 51080, 54240, 55710, 57465, 59424, 61296, 65088, 69947, 74280, 76620, 81360, 81728, 89136, 91944, 99040, 102160, 108480, 111420, 114930, 118848, 122592, 139894, 144301, 148560, 153240, 162720, 178272, 183888, 198080, 204320, 209841, 222840, 229860, 245184, 279788, 288602, 297120, 306480, 325440, 349735, 356544, 367776, 408640, 419682, 432903, 445680, 459720, 559576, 577204, 594240, 612960, 629523, 699470, 721505, 735552, 790463, 839364, 865806, 891360, 919440, 1049205, 1119152, 1154408, 1225920, 1259046, 1298709, 1398940, 1443010, 1580926, 1678728, 1731612, 1782720, 1838880, 2098410, 2164515, 2238304, 2308816, 2371389, 2518092, 2597418, 2797880, 2886020, 3147615, 3161852, 3357456, 3463224, 3677760, 3952315, 4196820, 4329030, 4476608, 4617632, 4742778, 5036184, 5194836, 5595760, 5772040, 6295230, 6323704, 6493545, 6714912, 6926448, 7114167, 7904630, 8393640, 8658060, 9235264, 9485556, 10072368, 10389672, 11191520, 11544080, 11856945, 12590460, 12647408, 12987090, 13429824, 13852896, 14228334, 15809260, 16787280, 17316120, 18971112, 20144736, 20779344, 22383040, 23088160, 23713890, 25180920, 25294816, 25974180, 27705792, 28456668, 31618520, 33574560, 34632240, 35570835, 37942224, 40289472, 41558688, 46176320, 47427780, 50361840, 50589632, 51948360, 56913336, 63237040, 67149120, 69264480, 71141670, 75884448, 83117376, 89322319, 94855560, 100723680, 103896720, 113826672, 126474080, 138528960, 142283340, 151768896, 178644638, 189711120, 201447360, 207793440, 227653344, 252948160, 267966957, 284566680, 357289276, 379422240, 415586880, 446611595, 455306688, 535933914, 569133360, 714578552, 758844480, 803900871, 893223190, 1071867828, 1138266720, 1339834785, 1429157104, 1607801742, 1786446380, 2143735656, 2276533440, 2679669570, 2858314208, 3215603484, 3572892760, 4019504355, 4287471312, 5359339140, 5716628416, 6431206968, 7145785520, 8039008710, 8574942624, 10718678280, 12862413936, 14291571040, 16078017420, 17149885248, 21437356560, 25724827872, 28583142080, 32156034840, 42874713120, 51449655744, 64312069680, 85749426240, 128624139360, 257248278720]

約数ペア:

[(1, 257248278720), (2, 128624139360), (3, 85749426240), (4, 64312069680), (5, 51449655744), (6, 42874713120), (8, 32156034840), (9, 28583142080), (10, 25724827872), (12, 21437356560), (15, 17149885248), (16, 16078017420), (18, 14291571040), (20, 12862413936), (24, 10718678280), (30, 8574942624), (32, 8039008710), (36, 7145785520), (40, 6431206968), (45, 5716628416), (48, 5359339140), (60, 4287471312), (64, 4019504355), (72, 3572892760), (80, 3215603484), (90, 2858314208), (96, 2679669570), (113, 2276533440), (120, 2143735656), (144, 1786446380), (160, 1607801742), (180, 1429157104), (192, 1339834785), (226, 1138266720), (240, 1071867828), (288, 893223190), (320, 803900871), (339, 758844480), (360, 714578552), (452, 569133360), (480, 535933914), (565, 455306688), (576, 446611595), (619, 415586880), (678, 379422240), (720, 357289276), (904, 284566680), (960, 267966957), (1017, 252948160), (1130, 227653344), (1238, 207793440), (1277, 201447360), (1356, 189711120), (1440, 178644638), (1695, 151768896), (1808, 142283340), (1857, 138528960), (2034, 126474080), (2260, 113826672), (2476, 103896720), (2554, 100723680), (2712, 94855560), (2880, 89322319), (3095, 83117376), (3390, 75884448), (3616, 71141670), (3714, 69264480), (3831, 67149120), (4068, 63237040), (4520, 56913336), (4952, 51948360), (5085, 50589632), (5108, 50361840), (5424, 47427780), (5571, 46176320), (6190, 41558688), (6385, 40289472), (6780, 37942224), (7232, 35570835), (7428, 34632240), (7662, 33574560), (8136, 31618520), (9040, 28456668), (9285, 27705792), (9904, 25974180), (10170, 25294816), (10216, 25180920), (10848, 23713890), (11142, 23088160), (11493, 22383040), (12380, 20779344), (12770, 20144736), (13560, 18971112), (14856, 17316120), (15324, 16787280), (16272, 15809260), (18080, 14228334), (18570, 13852896), (19155, 13429824), (19808, 12987090), (20340, 12647408), (20432, 12590460), (21696, 11856945), (22284, 11544080), (22986, 11191520), (24760, 10389672), (25540, 10072368), (27120, 9485556), (27855, 9235264), (29712, 8658060), (30648, 8393640), (32544, 7904630), (36160, 7114167), (37140, 6926448), (38310, 6714912), (39616, 6493545), (40680, 6323704), (40864, 6295230), (44568, 5772040), (45972, 5595760), (49520, 5194836), (51080, 5036184), (54240, 4742778), (55710, 4617632), (57465, 4476608), (59424, 4329030), (61296, 4196820), (65088, 3952315), (69947, 3677760), (74280, 3463224), (76620, 3357456), (81360, 3161852), (81728, 3147615), (89136, 2886020), (91944, 2797880), (99040, 2597418), (102160, 2518092), (108480, 2371389), (111420, 2308816), (114930, 2238304), (118848, 2164515), (122592, 2098410), (139894, 1838880), (144301, 1782720), (148560, 1731612), (153240, 1678728), (162720, 1580926), (178272, 1443010), (183888, 1398940), (198080, 1298709), (204320, 1259046), (209841, 1225920), (222840, 1154408), (229860, 1119152), (245184, 1049205), (279788, 919440), (288602, 891360), (297120, 865806), (306480, 839364), (325440, 790463), (349735, 735552), (356544, 721505), (367776, 699470), (408640, 629523), (419682, 612960), (432903, 594240), (445680, 577204), (459720, 559576)]