1781235456

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 432

約数和(自身を含む): 6498350208

約数和(自身を除く): 4717114752

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 32, 33, 39, 42, 44, 48, 49, 52, 56, 64, 66, 77, 78, 84, 88, 91, 96, 98, 104, 112, 128, 132, 143, 147, 154, 156, 168, 176, 182, 192, 196, 208, 224, 231, 256, 264, 273, 286, 294, 308, 312, 331, 336, 352, 364, 384, 392, 416, 429, 448, 462, 528, 539, 546, 572, 588, 616, 624, 637, 662, 672, 704, 728, 768, 784, 832, 858, 896, 924, 993, 1001, 1056, 1078, 1092, 1144, 1176, 1232, 1248, 1274, 1324, 1344, 1408, 1456, 1568, 1617, 1664, 1716, 1792, 1848, 1911, 1986, 2002, 2112, 2156, 2184, 2288, 2317, 2352, 2464, 2496, 2548, 2648, 2688, 2816, 2912, 3003, 3136, 3234, 3328, 3432, 3641, 3696, 3822, 3972, 4004, 4224, 4303, 4312, 4368, 4576, 4634, 4704, 4928, 4992, 5096, 5296, 5376, 5824, 6006, 6272, 6468, 6864, 6951, 7007, 7282, 7392, 7644, 7944, 8008, 8448, 8606, 8624, 8736, 9152, 9268, 9408, 9856, 9984, 10192, 10592, 10923, 11648, 12012, 12544, 12909, 12936, 13728, 13902, 14014, 14564, 14784, 15288, 15888, 16016, 16219, 17212, 17248, 17472, 18304, 18536, 18816, 19712, 20384, 21021, 21184, 21846, 23296, 24024, 25487, 25818, 25872, 27456, 27804, 28028, 29128, 29568, 30121, 30576, 31776, 32032, 32438, 34424, 34496, 34944, 36608, 37072, 37632, 40768, 42042, 42368, 43692, 47333, 48048, 48657, 50974, 51636, 51744, 54912, 55608, 56056, 58256, 59136, 60242, 61152, 63552, 64064, 64876, 68848, 68992, 69888, 74144, 76461, 81536, 84084, 84736, 87384, 90363, 94666, 96096, 97314, 101948, 103272, 103488, 109824, 111216, 112112, 116512, 120484, 122304, 127104, 128128, 129752, 137696, 137984, 141999, 148288, 152922, 163072, 168168, 174768, 178409, 180726, 189332, 192192, 194628, 203896, 206544, 206976, 210847, 222432, 224224, 233024, 240968, 244608, 254208, 256256, 259504, 275392, 283998, 296576, 305844, 331331, 336336, 349536, 356818, 361452, 378664, 384384, 389256, 407792, 413088, 413952, 421694, 444864, 448448, 466048, 481936, 489216, 519008, 535227, 550784, 567996, 593152, 611688, 632541, 662662, 672672, 699072, 713636, 722904, 757328, 768768, 778512, 815584, 826176, 843388, 889728, 896896, 932096, 963872, 993993, 1038016, 1070454, 1101568, 1135992, 1223376, 1265082, 1325324, 1345344, 1398144, 1427272, 1445808, 1514656, 1557024, 1631168, 1652352, 1686776, 1779456, 1793792, 1927744, 1987986, 2076032, 2140908, 2271984, 2319317, 2446752, 2530164, 2650648, 2690688, 2796288, 2854544, 2891616, 3029312, 3114048, 3262336, 3304704, 3373552, 3855488, 3975972, 4152064, 4281816, 4543968, 4638634, 4893504, 5060328, 5301296, 5381376, 5709088, 5783232, 6058624, 6228096, 6524672, 6747104, 6957951, 7710976, 7951944, 8563632, 9087936, 9277268, 9787008, 10120656, 10602592, 11418176, 11566464, 12117248, 12456192, 13494208, 13915902, 15903888, 17127264, 18175872, 18554536, 19574016, 20241312, 21205184, 22836352, 23132928, 26988416, 27831804, 31807776, 34254528, 36351744, 37109072, 40482624, 42410368, 45672704, 53976832, 55663608, 63615552, 68509056, 74218144, 80965248, 84820736, 111327216, 127231104, 137018112, 148436288, 161930496, 222654432, 254462208, 296872576, 445308864, 593745152, 890617728, 1781235456]

約数ペア:

[(1, 1781235456), (2, 890617728), (3, 593745152), (4, 445308864), (6, 296872576), (7, 254462208), (8, 222654432), (11, 161930496), (12, 148436288), (13, 137018112), (14, 127231104), (16, 111327216), (21, 84820736), (22, 80965248), (24, 74218144), (26, 68509056), (28, 63615552), (32, 55663608), (33, 53976832), (39, 45672704), (42, 42410368), (44, 40482624), (48, 37109072), (49, 36351744), (52, 34254528), (56, 31807776), (64, 27831804), (66, 26988416), (77, 23132928), (78, 22836352), (84, 21205184), (88, 20241312), (91, 19574016), (96, 18554536), (98, 18175872), (104, 17127264), (112, 15903888), (128, 13915902), (132, 13494208), (143, 12456192), (147, 12117248), (154, 11566464), (156, 11418176), (168, 10602592), (176, 10120656), (182, 9787008), (192, 9277268), (196, 9087936), (208, 8563632), (224, 7951944), (231, 7710976), (256, 6957951), (264, 6747104), (273, 6524672), (286, 6228096), (294, 6058624), (308, 5783232), (312, 5709088), (331, 5381376), (336, 5301296), (352, 5060328), (364, 4893504), (384, 4638634), (392, 4543968), (416, 4281816), (429, 4152064), (448, 3975972), (462, 3855488), (528, 3373552), (539, 3304704), (546, 3262336), (572, 3114048), (588, 3029312), (616, 2891616), (624, 2854544), (637, 2796288), (662, 2690688), (672, 2650648), (704, 2530164), (728, 2446752), (768, 2319317), (784, 2271984), (832, 2140908), (858, 2076032), (896, 1987986), (924, 1927744), (993, 1793792), (1001, 1779456), (1056, 1686776), (1078, 1652352), (1092, 1631168), (1144, 1557024), (1176, 1514656), (1232, 1445808), (1248, 1427272), (1274, 1398144), (1324, 1345344), (1344, 1325324), (1408, 1265082), (1456, 1223376), (1568, 1135992), (1617, 1101568), (1664, 1070454), (1716, 1038016), (1792, 993993), (1848, 963872), (1911, 932096), (1986, 896896), (2002, 889728), (2112, 843388), (2156, 826176), (2184, 815584), (2288, 778512), (2317, 768768), (2352, 757328), (2464, 722904), (2496, 713636), (2548, 699072), (2648, 672672), (2688, 662662), (2816, 632541), (2912, 611688), (3003, 593152), (3136, 567996), (3234, 550784), (3328, 535227), (3432, 519008), (3641, 489216), (3696, 481936), (3822, 466048), (3972, 448448), (4004, 444864), (4224, 421694), (4303, 413952), (4312, 413088), (4368, 407792), (4576, 389256), (4634, 384384), (4704, 378664), (4928, 361452), (4992, 356818), (5096, 349536), (5296, 336336), (5376, 331331), (5824, 305844), (6006, 296576), (6272, 283998), (6468, 275392), (6864, 259504), (6951, 256256), (7007, 254208), (7282, 244608), (7392, 240968), (7644, 233024), (7944, 224224), (8008, 222432), (8448, 210847), (8606, 206976), (8624, 206544), (8736, 203896), (9152, 194628), (9268, 192192), (9408, 189332), (9856, 180726), (9984, 178409), (10192, 174768), (10592, 168168), (10923, 163072), (11648, 152922), (12012, 148288), (12544, 141999), (12909, 137984), (12936, 137696), (13728, 129752), (13902, 128128), (14014, 127104), (14564, 122304), (14784, 120484), (15288, 116512), (15888, 112112), (16016, 111216), (16219, 109824), (17212, 103488), (17248, 103272), (17472, 101948), (18304, 97314), (18536, 96096), (18816, 94666), (19712, 90363), (20384, 87384), (21021, 84736), (21184, 84084), (21846, 81536), (23296, 76461), (24024, 74144), (25487, 69888), (25818, 68992), (25872, 68848), (27456, 64876), (27804, 64064), (28028, 63552), (29128, 61152), (29568, 60242), (30121, 59136), (30576, 58256), (31776, 56056), (32032, 55608), (32438, 54912), (34424, 51744), (34496, 51636), (34944, 50974), (36608, 48657), (37072, 48048), (37632, 47333), (40768, 43692), (42042, 42368)]