642281808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 2084438016

約数和(自身を除く): 1442156208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 31, 42, 46, 48, 49, 56, 62, 69, 84, 92, 93, 98, 112, 124, 138, 147, 161, 168, 184, 186, 196, 217, 248, 276, 294, 322, 336, 368, 372, 383, 392, 434, 483, 496, 552, 588, 644, 651, 713, 744, 766, 784, 868, 966, 1104, 1127, 1149, 1176, 1288, 1302, 1426, 1488, 1519, 1532, 1736, 1932, 2139, 2254, 2298, 2352, 2576, 2604, 2681, 2852, 3038, 3064, 3381, 3472, 3864, 4278, 4508, 4557, 4596, 4991, 5208, 5362, 5704, 6076, 6128, 6762, 7728, 8043, 8556, 8809, 9016, 9114, 9192, 9982, 10416, 10724, 11408, 11873, 12152, 13524, 14973, 16086, 17112, 17618, 18032, 18228, 18384, 18767, 19964, 21448, 23746, 24304, 26427, 27048, 29946, 32172, 34224, 34937, 35236, 35619, 36456, 37534, 39928, 42896, 47492, 52854, 54096, 56301, 59892, 61663, 64344, 69874, 70472, 71238, 72912, 75068, 79856, 83111, 94984, 104811, 105708, 112602, 119784, 123326, 128688, 139748, 140944, 142476, 150136, 166222, 184989, 189968, 209622, 211416, 225204, 239568, 246652, 249333, 273079, 279496, 284952, 300272, 332444, 369978, 419244, 422832, 431641, 450408, 493304, 498666, 546158, 558992, 569904, 581777, 664888, 739956, 819237, 838488, 863282, 900816, 986608, 997332, 1092316, 1163554, 1294923, 1329776, 1479912, 1638474, 1676976, 1726564, 1745331, 1911553, 1994664, 2184632, 2327108, 2589846, 2959824, 3276948, 3453128, 3490662, 3823106, 3989328, 4369264, 4654216, 5179692, 5734659, 6553896, 6906256, 6981324, 7646212, 9308432, 10359384, 11469318, 13107792, 13380871, 13962648, 15292424, 20718768, 22938636, 26761742, 27925296, 30584848, 40142613, 45877272, 53523484, 80285226, 91754544, 107046968, 160570452, 214093936, 321140904, 642281808]

約数ペア:

[(1, 642281808), (2, 321140904), (3, 214093936), (4, 160570452), (6, 107046968), (7, 91754544), (8, 80285226), (12, 53523484), (14, 45877272), (16, 40142613), (21, 30584848), (23, 27925296), (24, 26761742), (28, 22938636), (31, 20718768), (42, 15292424), (46, 13962648), (48, 13380871), (49, 13107792), (56, 11469318), (62, 10359384), (69, 9308432), (84, 7646212), (92, 6981324), (93, 6906256), (98, 6553896), (112, 5734659), (124, 5179692), (138, 4654216), (147, 4369264), (161, 3989328), (168, 3823106), (184, 3490662), (186, 3453128), (196, 3276948), (217, 2959824), (248, 2589846), (276, 2327108), (294, 2184632), (322, 1994664), (336, 1911553), (368, 1745331), (372, 1726564), (383, 1676976), (392, 1638474), (434, 1479912), (483, 1329776), (496, 1294923), (552, 1163554), (588, 1092316), (644, 997332), (651, 986608), (713, 900816), (744, 863282), (766, 838488), (784, 819237), (868, 739956), (966, 664888), (1104, 581777), (1127, 569904), (1149, 558992), (1176, 546158), (1288, 498666), (1302, 493304), (1426, 450408), (1488, 431641), (1519, 422832), (1532, 419244), (1736, 369978), (1932, 332444), (2139, 300272), (2254, 284952), (2298, 279496), (2352, 273079), (2576, 249333), (2604, 246652), (2681, 239568), (2852, 225204), (3038, 211416), (3064, 209622), (3381, 189968), (3472, 184989), (3864, 166222), (4278, 150136), (4508, 142476), (4557, 140944), (4596, 139748), (4991, 128688), (5208, 123326), (5362, 119784), (5704, 112602), (6076, 105708), (6128, 104811), (6762, 94984), (7728, 83111), (8043, 79856), (8556, 75068), (8809, 72912), (9016, 71238), (9114, 70472), (9192, 69874), (9982, 64344), (10416, 61663), (10724, 59892), (11408, 56301), (11873, 54096), (12152, 52854), (13524, 47492), (14973, 42896), (16086, 39928), (17112, 37534), (17618, 36456), (18032, 35619), (18228, 35236), (18384, 34937), (18767, 34224), (19964, 32172), (21448, 29946), (23746, 27048), (24304, 26427)]