321381216

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 1062512640

約数和(自身を除く): 741131424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 71, 72, 78, 93, 96, 104, 108, 117, 124, 142, 144, 156, 169, 186, 208, 213, 216, 234, 248, 279, 284, 288, 312, 338, 351, 372, 403, 416, 426, 432, 468, 496, 507, 558, 568, 624, 639, 676, 702, 744, 806, 837, 852, 864, 923, 936, 992, 1014, 1116, 1136, 1209, 1248, 1278, 1352, 1404, 1488, 1521, 1612, 1674, 1704, 1846, 1872, 1917, 2028, 2201, 2232, 2272, 2418, 2556, 2704, 2769, 2808, 2976, 3042, 3224, 3348, 3408, 3627, 3692, 3744, 3834, 4056, 4402, 4464, 4563, 4836, 5112, 5239, 5408, 5538, 5616, 6084, 6448, 6603, 6696, 6816, 7254, 7384, 7668, 8112, 8307, 8804, 8928, 9126, 9672, 10224, 10478, 10881, 11076, 11232, 11999, 12168, 12896, 13206, 13392, 14508, 14768, 15336, 15717, 16224, 16614, 17608, 18252, 19344, 19809, 20448, 20956, 21762, 22152, 23998, 24336, 24921, 26412, 26784, 28613, 29016, 29536, 30672, 31434, 33228, 35216, 35997, 36504, 38688, 39618, 41912, 43524, 44304, 47151, 47996, 48672, 49842, 52824, 57226, 58032, 59427, 61344, 62868, 66456, 70432, 71994, 73008, 79236, 83824, 85839, 87048, 88608, 94302, 95992, 99684, 105648, 107991, 114452, 116064, 118854, 125736, 132912, 141453, 143988, 146016, 158472, 167648, 171678, 174096, 188604, 191984, 199368, 211296, 215982, 228904, 237708, 251472, 257517, 265824, 282906, 287976, 316944, 323973, 343356, 348192, 371969, 377208, 383968, 398736, 431964, 457808, 475416, 502944, 515034, 565812, 575952, 633888, 647946, 686712, 743938, 754416, 772551, 797472, 863928, 915616, 950832, 1030068, 1115907, 1131624, 1151904, 1295892, 1373424, 1487876, 1508832, 1545102, 1727856, 1901664, 2060136, 2231814, 2263248, 2591784, 2746848, 2975752, 3090204, 3347721, 3455712, 4120272, 4463628, 4526496, 5183568, 5951504, 6180408, 6695442, 8240544, 8927256, 10043163, 10367136, 11903008, 12360816, 13390884, 17854512, 20086326, 24721632, 26781768, 35709024, 40172652, 53563536, 80345304, 107127072, 160690608, 321381216]

約数ペア:

[(1, 321381216), (2, 160690608), (3, 107127072), (4, 80345304), (6, 53563536), (8, 40172652), (9, 35709024), (12, 26781768), (13, 24721632), (16, 20086326), (18, 17854512), (24, 13390884), (26, 12360816), (27, 11903008), (31, 10367136), (32, 10043163), (36, 8927256), (39, 8240544), (48, 6695442), (52, 6180408), (54, 5951504), (62, 5183568), (71, 4526496), (72, 4463628), (78, 4120272), (93, 3455712), (96, 3347721), (104, 3090204), (108, 2975752), (117, 2746848), (124, 2591784), (142, 2263248), (144, 2231814), (156, 2060136), (169, 1901664), (186, 1727856), (208, 1545102), (213, 1508832), (216, 1487876), (234, 1373424), (248, 1295892), (279, 1151904), (284, 1131624), (288, 1115907), (312, 1030068), (338, 950832), (351, 915616), (372, 863928), (403, 797472), (416, 772551), (426, 754416), (432, 743938), (468, 686712), (496, 647946), (507, 633888), (558, 575952), (568, 565812), (624, 515034), (639, 502944), (676, 475416), (702, 457808), (744, 431964), (806, 398736), (837, 383968), (852, 377208), (864, 371969), (923, 348192), (936, 343356), (992, 323973), (1014, 316944), (1116, 287976), (1136, 282906), (1209, 265824), (1248, 257517), (1278, 251472), (1352, 237708), (1404, 228904), (1488, 215982), (1521, 211296), (1612, 199368), (1674, 191984), (1704, 188604), (1846, 174096), (1872, 171678), (1917, 167648), (2028, 158472), (2201, 146016), (2232, 143988), (2272, 141453), (2418, 132912), (2556, 125736), (2704, 118854), (2769, 116064), (2808, 114452), (2976, 107991), (3042, 105648), (3224, 99684), (3348, 95992), (3408, 94302), (3627, 88608), (3692, 87048), (3744, 85839), (3834, 83824), (4056, 79236), (4402, 73008), (4464, 71994), (4563, 70432), (4836, 66456), (5112, 62868), (5239, 61344), (5408, 59427), (5538, 58032), (5616, 57226), (6084, 52824), (6448, 49842), (6603, 48672), (6696, 47996), (6816, 47151), (7254, 44304), (7384, 43524), (7668, 41912), (8112, 39618), (8307, 38688), (8804, 36504), (8928, 35997), (9126, 35216), (9672, 33228), (10224, 31434), (10478, 30672), (10881, 29536), (11076, 29016), (11232, 28613), (11999, 26784), (12168, 26412), (12896, 24921), (13206, 24336), (13392, 23998), (14508, 22152), (14768, 21762), (15336, 20956), (15717, 20448), (16224, 19809), (16614, 19344), (17608, 18252)]