20972842880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 384

約数和(自身を含む): 59337684000

約数和(自身を除く): 38364841120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 89, 110, 121, 128, 136, 160, 170, 176, 178, 179, 187, 220, 242, 272, 320, 340, 352, 356, 358, 374, 440, 445, 484, 544, 605, 640, 680, 704, 712, 716, 748, 880, 890, 895, 935, 968, 979, 1088, 1210, 1360, 1408, 1424, 1432, 1496, 1513, 1760, 1780, 1790, 1870, 1936, 1958, 1969, 2057, 2176, 2420, 2720, 2848, 2864, 2992, 3026, 3043, 3520, 3560, 3580, 3740, 3872, 3916, 3938, 4114, 4840, 4895, 5440, 5696, 5728, 5984, 6052, 6086, 7040, 7120, 7160, 7480, 7565, 7744, 7832, 7876, 8228, 9680, 9790, 9845, 10285, 10769, 10880, 11392, 11456, 11968, 12104, 12172, 14240, 14320, 14960, 15130, 15215, 15488, 15664, 15752, 15931, 16456, 16643, 19360, 19580, 19690, 20570, 21538, 21659, 22912, 23936, 24208, 24344, 28480, 28640, 29920, 30260, 30430, 31328, 31504, 31862, 32912, 33286, 33473, 38720, 39160, 39380, 41140, 43076, 43318, 48416, 48688, 53845, 56960, 57280, 59840, 60520, 60860, 62656, 63008, 63724, 65824, 66572, 66946, 77440, 78320, 78760, 79655, 82280, 83215, 86152, 86636, 96832, 97376, 107690, 108295, 114560, 119680, 121040, 121720, 125312, 126016, 127448, 131648, 133144, 133892, 156640, 157520, 159310, 164560, 166430, 167365, 172304, 173272, 175241, 183073, 193664, 194752, 215380, 216590, 242080, 243440, 252032, 254896, 263296, 266288, 267784, 270827, 313280, 315040, 318620, 329120, 332860, 334730, 344608, 346544, 350482, 366146, 368203, 389504, 430760, 433180, 484160, 486880, 509792, 532576, 535568, 541654, 626560, 630080, 637240, 658240, 665720, 669460, 689216, 693088, 700964, 732292, 736406, 861520, 866360, 876205, 915365, 968320, 973760, 1019584, 1065152, 1071136, 1083308, 1260160, 1274480, 1316480, 1331440, 1338920, 1354135, 1378432, 1386176, 1401928, 1464584, 1472812, 1723040, 1732720, 1752410, 1830730, 1841015, 1927651, 1947520, 2039168, 2130304, 2142272, 2166616, 2548960, 2662880, 2677840, 2708270, 2772352, 2803856, 2929168, 2945624, 2979097, 3446080, 3465440, 3504820, 3661460, 3682030, 3855302, 4284544, 4333232, 5097920, 5325760, 5355680, 5416540, 5607712, 5858336, 5891248, 5958194, 6892160, 6930880, 7009640, 7322920, 7364060, 7710604, 8666464, 9638255, 10195840, 10651520, 10711360, 10833080, 11215424, 11716672, 11782496, 11916388, 13861760, 14019280, 14645840, 14728120, 14895485, 15421208, 17332928, 19276510, 21422720, 21666160, 22430848, 23433344, 23564992, 23832776, 28038560, 29291680, 29456240, 29790970, 30842416, 32770067, 34665856, 38553020, 43332320, 47129984, 47665552, 56077120, 58583360, 58912480, 59581940, 61684832, 65540134, 77106040, 86664640, 95331104, 112154240, 117166720, 117824960, 119163880, 123369664, 131080268, 154212080, 163850335, 173329280, 190662208, 235649920, 238327760, 246739328, 262160536, 308424160, 327700670, 381324416, 476655520, 524321072, 616848320, 655401340, 953311040, 1048642144, 1233696640, 1310802680, 1906622080, 2097284288, 2621605360, 4194568576, 5243210720, 10486421440, 20972842880]

約数ペア:

[(1, 20972842880), (2, 10486421440), (4, 5243210720), (5, 4194568576), (8, 2621605360), (10, 2097284288), (11, 1906622080), (16, 1310802680), (17, 1233696640), (20, 1048642144), (22, 953311040), (32, 655401340), (34, 616848320), (40, 524321072), (44, 476655520), (55, 381324416), (64, 327700670), (68, 308424160), (80, 262160536), (85, 246739328), (88, 238327760), (89, 235649920), (110, 190662208), (121, 173329280), (128, 163850335), (136, 154212080), (160, 131080268), (170, 123369664), (176, 119163880), (178, 117824960), (179, 117166720), (187, 112154240), (220, 95331104), (242, 86664640), (272, 77106040), (320, 65540134), (340, 61684832), (352, 59581940), (356, 58912480), (358, 58583360), (374, 56077120), (440, 47665552), (445, 47129984), (484, 43332320), (544, 38553020), (605, 34665856), (640, 32770067), (680, 30842416), (704, 29790970), (712, 29456240), (716, 29291680), (748, 28038560), (880, 23832776), (890, 23564992), (895, 23433344), (935, 22430848), (968, 21666160), (979, 21422720), (1088, 19276510), (1210, 17332928), (1360, 15421208), (1408, 14895485), (1424, 14728120), (1432, 14645840), (1496, 14019280), (1513, 13861760), (1760, 11916388), (1780, 11782496), (1790, 11716672), (1870, 11215424), (1936, 10833080), (1958, 10711360), (1969, 10651520), (2057, 10195840), (2176, 9638255), (2420, 8666464), (2720, 7710604), (2848, 7364060), (2864, 7322920), (2992, 7009640), (3026, 6930880), (3043, 6892160), (3520, 5958194), (3560, 5891248), (3580, 5858336), (3740, 5607712), (3872, 5416540), (3916, 5355680), (3938, 5325760), (4114, 5097920), (4840, 4333232), (4895, 4284544), (5440, 3855302), (5696, 3682030), (5728, 3661460), (5984, 3504820), (6052, 3465440), (6086, 3446080), (7040, 2979097), (7120, 2945624), (7160, 2929168), (7480, 2803856), (7565, 2772352), (7744, 2708270), (7832, 2677840), (7876, 2662880), (8228, 2548960), (9680, 2166616), (9790, 2142272), (9845, 2130304), (10285, 2039168), (10769, 1947520), (10880, 1927651), (11392, 1841015), (11456, 1830730), (11968, 1752410), (12104, 1732720), (12172, 1723040), (14240, 1472812), (14320, 1464584), (14960, 1401928), (15130, 1386176), (15215, 1378432), (15488, 1354135), (15664, 1338920), (15752, 1331440), (15931, 1316480), (16456, 1274480), (16643, 1260160), (19360, 1083308), (19580, 1071136), (19690, 1065152), (20570, 1019584), (21538, 973760), (21659, 968320), (22912, 915365), (23936, 876205), (24208, 866360), (24344, 861520), (28480, 736406), (28640, 732292), (29920, 700964), (30260, 693088), (30430, 689216), (31328, 669460), (31504, 665720), (31862, 658240), (32912, 637240), (33286, 630080), (33473, 626560), (38720, 541654), (39160, 535568), (39380, 532576), (41140, 509792), (43076, 486880), (43318, 484160), (48416, 433180), (48688, 430760), (53845, 389504), (56960, 368203), (57280, 366146), (59840, 350482), (60520, 346544), (60860, 344608), (62656, 334730), (63008, 332860), (63724, 329120), (65824, 318620), (66572, 315040), (66946, 313280), (77440, 270827), (78320, 267784), (78760, 266288), (79655, 263296), (82280, 254896), (83215, 252032), (86152, 243440), (86636, 242080), (96832, 216590), (97376, 215380), (107690, 194752), (108295, 193664), (114560, 183073), (119680, 175241), (121040, 173272), (121720, 172304), (125312, 167365), (126016, 166430), (127448, 164560), (131648, 159310), (133144, 157520), (133892, 156640)]