257211360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 576

約数和(自身を含む): 1132185600

約数和(自身を除く): 874974240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 24, 28, 30, 32, 34, 35, 36, 38, 40, 42, 45, 48, 51, 56, 57, 60, 63, 68, 70, 72, 76, 79, 80, 84, 85, 90, 95, 96, 102, 105, 112, 114, 119, 120, 126, 133, 136, 140, 144, 152, 153, 158, 160, 168, 170, 171, 180, 190, 204, 210, 224, 228, 237, 238, 240, 252, 255, 266, 272, 280, 285, 288, 304, 306, 315, 316, 323, 336, 340, 342, 357, 360, 380, 395, 399, 408, 420, 456, 474, 476, 480, 504, 510, 532, 544, 553, 560, 570, 595, 608, 612, 630, 632, 646, 665, 672, 680, 684, 711, 714, 720, 760, 765, 790, 798, 816, 840, 855, 912, 948, 952, 969, 1008, 1020, 1064, 1071, 1106, 1120, 1140, 1185, 1190, 1197, 1224, 1260, 1264, 1292, 1330, 1343, 1360, 1368, 1422, 1428, 1440, 1501, 1520, 1530, 1580, 1596, 1615, 1632, 1659, 1680, 1710, 1785, 1824, 1896, 1904, 1938, 1995, 2016, 2040, 2128, 2142, 2212, 2261, 2280, 2370, 2380, 2394, 2448, 2520, 2528, 2584, 2660, 2686, 2720, 2736, 2765, 2844, 2856, 2907, 3002, 3040, 3060, 3160, 3192, 3230, 3318, 3360, 3420, 3555, 3570, 3792, 3808, 3876, 3990, 4029, 4080, 4256, 4284, 4424, 4503, 4522, 4560, 4740, 4760, 4788, 4845, 4896, 4977, 5040, 5168, 5320, 5355, 5372, 5472, 5530, 5688, 5712, 5814, 5985, 6004, 6120, 6320, 6384, 6460, 6636, 6715, 6783, 6840, 7110, 7140, 7505, 7584, 7752, 7980, 8058, 8160, 8295, 8568, 8848, 9006, 9044, 9120, 9401, 9480, 9520, 9576, 9690, 9954, 10080, 10336, 10507, 10640, 10710, 10744, 11060, 11305, 11376, 11424, 11628, 11970, 12008, 12087, 12240, 12640, 12768, 12920, 13272, 13430, 13509, 13566, 13680, 14220, 14280, 14535, 15010, 15504, 15960, 16116, 16590, 17136, 17696, 18012, 18088, 18802, 18960, 19040, 19152, 19380, 19908, 20145, 20349, 21014, 21280, 21420, 21488, 22120, 22515, 22610, 22752, 23256, 23940, 24016, 24174, 24480, 24885, 25517, 25840, 26544, 26860, 27018, 27132, 27360, 28203, 28440, 28560, 29070, 30020, 31008, 31521, 31920, 32232, 33180, 33915, 34272, 36024, 36176, 37604, 37920, 38304, 38760, 39816, 40290, 40698, 42028, 42840, 42976, 44240, 45030, 45220, 46512, 47005, 47880, 48032, 48348, 49770, 51034, 51680, 52535, 53088, 53720, 54036, 54264, 56406, 56880, 57120, 58140, 60040, 60435, 63042, 63840, 64464, 66360, 67545, 67830, 72048, 72352, 75208, 76551, 77520, 79632, 80580, 81396, 84056, 84609, 85680, 88480, 90060, 90440, 93024, 94010, 94563, 95760, 96696, 99540, 101745, 102068, 105070, 107440, 108072, 108528, 112812, 113760, 116280, 120080, 120870, 126084, 127585, 128928, 132720, 135090, 135660, 141015, 144096, 150416, 153102, 155040, 157605, 159264, 161160, 162792, 168112, 169218, 171360, 178619, 180120, 180880, 188020, 189126, 191520, 193392, 199080, 203490, 204136, 210140, 214880, 216144, 217056, 225624, 229653, 232560, 240160, 241740, 252168, 255170, 265440, 270180, 271320, 282030, 300832, 306204, 315210, 322320, 325584, 336224, 338436, 357238, 360240, 361760, 376040, 378252, 382755, 386784, 398160, 406980, 408272, 420280, 423045, 432288, 451248, 459306, 465120, 472815, 483480, 504336, 510340, 535857, 540360, 542640, 564060, 612408, 630420, 644640, 651168, 676872, 714476, 720480, 752080, 756504, 765510, 796320, 813960, 816544, 840560, 846090, 893095, 902496, 918612, 945630, 966960, 1008672, 1020680, 1071714, 1080720, 1085280, 1128120, 1148265, 1224816, 1260840, 1353744, 1428952, 1504160, 1513008, 1531020, 1607571, 1627920, 1681120, 1692180, 1786190, 1837224, 1891260, 1933920, 2041360, 2143428, 2161440, 2256240, 2296530, 2449632, 2521680, 2679285, 2707488, 2857904, 3026016, 3062040, 3215142, 3255840, 3384360, 3572380, 3674448, 3782520, 4082720, 4286856, 4512480, 4593060, 5043360, 5358570, 5715808, 6124080, 6430284, 6768720, 7144760, 7348896, 7565040, 8037855, 8573712, 9186120, 10717140, 12248160, 12860568, 13537440, 14289520, 15130080, 16075710, 17147424, 18372240, 21434280, 25721136, 28579040, 32151420, 36744480, 42868560, 51442272, 64302840, 85737120, 128605680, 257211360]

約数ペア:

[(1, 257211360), (2, 128605680), (3, 85737120), (4, 64302840), (5, 51442272), (6, 42868560), (7, 36744480), (8, 32151420), (9, 28579040), (10, 25721136), (12, 21434280), (14, 18372240), (15, 17147424), (16, 16075710), (17, 15130080), (18, 14289520), (19, 13537440), (20, 12860568), (21, 12248160), (24, 10717140), (28, 9186120), (30, 8573712), (32, 8037855), (34, 7565040), (35, 7348896), (36, 7144760), (38, 6768720), (40, 6430284), (42, 6124080), (45, 5715808), (48, 5358570), (51, 5043360), (56, 4593060), (57, 4512480), (60, 4286856), (63, 4082720), (68, 3782520), (70, 3674448), (72, 3572380), (76, 3384360), (79, 3255840), (80, 3215142), (84, 3062040), (85, 3026016), (90, 2857904), (95, 2707488), (96, 2679285), (102, 2521680), (105, 2449632), (112, 2296530), (114, 2256240), (119, 2161440), (120, 2143428), (126, 2041360), (133, 1933920), (136, 1891260), (140, 1837224), (144, 1786190), (152, 1692180), (153, 1681120), (158, 1627920), (160, 1607571), (168, 1531020), (170, 1513008), (171, 1504160), (180, 1428952), (190, 1353744), (204, 1260840), (210, 1224816), (224, 1148265), (228, 1128120), (237, 1085280), (238, 1080720), (240, 1071714), (252, 1020680), (255, 1008672), (266, 966960), (272, 945630), (280, 918612), (285, 902496), (288, 893095), (304, 846090), (306, 840560), (315, 816544), (316, 813960), (323, 796320), (336, 765510), (340, 756504), (342, 752080), (357, 720480), (360, 714476), (380, 676872), (395, 651168), (399, 644640), (408, 630420), (420, 612408), (456, 564060), (474, 542640), (476, 540360), (480, 535857), (504, 510340), (510, 504336), (532, 483480), (544, 472815), (553, 465120), (560, 459306), (570, 451248), (595, 432288), (608, 423045), (612, 420280), (630, 408272), (632, 406980), (646, 398160), (665, 386784), (672, 382755), (680, 378252), (684, 376040), (711, 361760), (714, 360240), (720, 357238), (760, 338436), (765, 336224), (790, 325584), (798, 322320), (816, 315210), (840, 306204), (855, 300832), (912, 282030), (948, 271320), (952, 270180), (969, 265440), (1008, 255170), (1020, 252168), (1064, 241740), (1071, 240160), (1106, 232560), (1120, 229653), (1140, 225624), (1185, 217056), (1190, 216144), (1197, 214880), (1224, 210140), (1260, 204136), (1264, 203490), (1292, 199080), (1330, 193392), (1343, 191520), (1360, 189126), (1368, 188020), (1422, 180880), (1428, 180120), (1440, 178619), (1501, 171360), (1520, 169218), (1530, 168112), (1580, 162792), (1596, 161160), (1615, 159264), (1632, 157605), (1659, 155040), (1680, 153102), (1710, 150416), (1785, 144096), (1824, 141015), (1896, 135660), (1904, 135090), (1938, 132720), (1995, 128928), (2016, 127585), (2040, 126084), (2128, 120870), (2142, 120080), (2212, 116280), (2261, 113760), (2280, 112812), (2370, 108528), (2380, 108072), (2394, 107440), (2448, 105070), (2520, 102068), (2528, 101745), (2584, 99540), (2660, 96696), (2686, 95760), (2720, 94563), (2736, 94010), (2765, 93024), (2844, 90440), (2856, 90060), (2907, 88480), (3002, 85680), (3040, 84609), (3060, 84056), (3160, 81396), (3192, 80580), (3230, 79632), (3318, 77520), (3360, 76551), (3420, 75208), (3555, 72352), (3570, 72048), (3792, 67830), (3808, 67545), (3876, 66360), (3990, 64464), (4029, 63840), (4080, 63042), (4256, 60435), (4284, 60040), (4424, 58140), (4503, 57120), (4522, 56880), (4560, 56406), (4740, 54264), (4760, 54036), (4788, 53720), (4845, 53088), (4896, 52535), (4977, 51680), (5040, 51034), (5168, 49770), (5320, 48348), (5355, 48032), (5372, 47880), (5472, 47005), (5530, 46512), (5688, 45220), (5712, 45030), (5814, 44240), (5985, 42976), (6004, 42840), (6120, 42028), (6320, 40698), (6384, 40290), (6460, 39816), (6636, 38760), (6715, 38304), (6783, 37920), (6840, 37604), (7110, 36176), (7140, 36024), (7505, 34272), (7584, 33915), (7752, 33180), (7980, 32232), (8058, 31920), (8160, 31521), (8295, 31008), (8568, 30020), (8848, 29070), (9006, 28560), (9044, 28440), (9120, 28203), (9401, 27360), (9480, 27132), (9520, 27018), (9576, 26860), (9690, 26544), (9954, 25840), (10080, 25517), (10336, 24885), (10507, 24480), (10640, 24174), (10710, 24016), (10744, 23940), (11060, 23256), (11305, 22752), (11376, 22610), (11424, 22515), (11628, 22120), (11970, 21488), (12008, 21420), (12087, 21280), (12240, 21014), (12640, 20349), (12768, 20145), (12920, 19908), (13272, 19380), (13430, 19152), (13509, 19040), (13566, 18960), (13680, 18802), (14220, 18088), (14280, 18012), (14535, 17696), (15010, 17136), (15504, 16590), (15960, 16116)]