881981568

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 256

約数和(自身を含む): 2854857600

約数和(自身を除く): 1972876032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 67, 72, 78, 96, 104, 108, 117, 128, 134, 144, 156, 192, 201, 208, 216, 234, 268, 288, 293, 312, 351, 384, 402, 416, 432, 468, 536, 576, 586, 603, 624, 702, 804, 832, 864, 871, 879, 936, 1072, 1152, 1172, 1206, 1248, 1404, 1608, 1664, 1728, 1742, 1758, 1809, 1872, 2144, 2344, 2412, 2496, 2613, 2637, 2808, 3216, 3456, 3484, 3516, 3618, 3744, 3809, 4288, 4688, 4824, 4992, 5226, 5274, 5616, 6432, 6968, 7032, 7236, 7488, 7618, 7839, 7911, 8576, 9376, 9648, 10452, 10548, 11232, 11427, 12864, 13936, 14064, 14472, 14976, 15236, 15678, 15822, 18752, 19296, 19631, 20904, 21096, 22464, 22854, 23517, 25728, 27872, 28128, 28944, 30472, 31356, 31644, 34281, 37504, 38592, 39262, 41808, 42192, 44928, 45708, 47034, 55744, 56256, 57888, 58893, 60944, 62712, 63288, 68562, 77184, 78524, 83616, 84384, 91416, 94068, 102843, 111488, 112512, 115776, 117786, 121888, 125424, 126576, 137124, 157048, 167232, 168768, 176679, 182832, 188136, 205686, 231552, 235572, 243776, 250848, 253152, 255203, 274248, 314096, 334464, 337536, 353358, 365664, 376272, 411372, 471144, 487552, 501696, 506304, 510406, 530037, 548496, 628192, 706716, 731328, 752544, 765609, 822744, 942288, 1003392, 1012608, 1020812, 1060074, 1096992, 1256384, 1413432, 1462656, 1505088, 1531218, 1645488, 1884576, 2041624, 2120148, 2193984, 2296827, 2512768, 2826864, 3010176, 3062436, 3290976, 3769152, 4083248, 4240296, 4387968, 4593654, 5653728, 6124872, 6581952, 6890481, 7538304, 8166496, 8480592, 9187308, 11307456, 12249744, 13163904, 13780962, 16332992, 16961184, 18374616, 22614912, 24499488, 27561924, 32665984, 33922368, 36749232, 48998976, 55123848, 67844736, 73498464, 97997952, 110247696, 146996928, 220495392, 293993856, 440990784, 881981568]

約数ペア:

[(1, 881981568), (2, 440990784), (3, 293993856), (4, 220495392), (6, 146996928), (8, 110247696), (9, 97997952), (12, 73498464), (13, 67844736), (16, 55123848), (18, 48998976), (24, 36749232), (26, 33922368), (27, 32665984), (32, 27561924), (36, 24499488), (39, 22614912), (48, 18374616), (52, 16961184), (54, 16332992), (64, 13780962), (67, 13163904), (72, 12249744), (78, 11307456), (96, 9187308), (104, 8480592), (108, 8166496), (117, 7538304), (128, 6890481), (134, 6581952), (144, 6124872), (156, 5653728), (192, 4593654), (201, 4387968), (208, 4240296), (216, 4083248), (234, 3769152), (268, 3290976), (288, 3062436), (293, 3010176), (312, 2826864), (351, 2512768), (384, 2296827), (402, 2193984), (416, 2120148), (432, 2041624), (468, 1884576), (536, 1645488), (576, 1531218), (586, 1505088), (603, 1462656), (624, 1413432), (702, 1256384), (804, 1096992), (832, 1060074), (864, 1020812), (871, 1012608), (879, 1003392), (936, 942288), (1072, 822744), (1152, 765609), (1172, 752544), (1206, 731328), (1248, 706716), (1404, 628192), (1608, 548496), (1664, 530037), (1728, 510406), (1742, 506304), (1758, 501696), (1809, 487552), (1872, 471144), (2144, 411372), (2344, 376272), (2412, 365664), (2496, 353358), (2613, 337536), (2637, 334464), (2808, 314096), (3216, 274248), (3456, 255203), (3484, 253152), (3516, 250848), (3618, 243776), (3744, 235572), (3809, 231552), (4288, 205686), (4688, 188136), (4824, 182832), (4992, 176679), (5226, 168768), (5274, 167232), (5616, 157048), (6432, 137124), (6968, 126576), (7032, 125424), (7236, 121888), (7488, 117786), (7618, 115776), (7839, 112512), (7911, 111488), (8576, 102843), (9376, 94068), (9648, 91416), (10452, 84384), (10548, 83616), (11232, 78524), (11427, 77184), (12864, 68562), (13936, 63288), (14064, 62712), (14472, 60944), (14976, 58893), (15236, 57888), (15678, 56256), (15822, 55744), (18752, 47034), (19296, 45708), (19631, 44928), (20904, 42192), (21096, 41808), (22464, 39262), (22854, 38592), (23517, 37504), (25728, 34281), (27872, 31644), (28128, 31356), (28944, 30472)]