644240016

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 240

約数和(自身を含む): 2172718080

約数和(自身を除く): 1528478064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 53, 56, 62, 63, 72, 84, 93, 106, 112, 124, 126, 144, 159, 168, 186, 212, 217, 248, 252, 279, 318, 336, 371, 372, 389, 424, 434, 477, 496, 504, 558, 636, 651, 742, 744, 778, 848, 868, 954, 1008, 1113, 1116, 1167, 1272, 1302, 1484, 1488, 1556, 1643, 1736, 1908, 1953, 2226, 2232, 2334, 2544, 2604, 2723, 2968, 3112, 3286, 3339, 3472, 3501, 3816, 3906, 4452, 4464, 4668, 4929, 5208, 5446, 5936, 6224, 6572, 6678, 7002, 7632, 7812, 8169, 8904, 9336, 9858, 10416, 10892, 11501, 12059, 13144, 13356, 14004, 14787, 15624, 16338, 17808, 18672, 19716, 20617, 21784, 23002, 24118, 24507, 26288, 26712, 28008, 29574, 31248, 32676, 34503, 36177, 39432, 41234, 43568, 46004, 48236, 49014, 53424, 56016, 59148, 61851, 65352, 69006, 72354, 78864, 82468, 84413, 92008, 96472, 98028, 103509, 108531, 118296, 123702, 130704, 138012, 144319, 144708, 164936, 168826, 184016, 185553, 192944, 196056, 207018, 217062, 236592, 247404, 253239, 276024, 288638, 289416, 329872, 337652, 371106, 392112, 414036, 432957, 434124, 494808, 506478, 552048, 577276, 578832, 639127, 675304, 742212, 759717, 828072, 865914, 868248, 989616, 1012956, 1154552, 1278254, 1298871, 1350608, 1484424, 1519434, 1656144, 1731828, 1736496, 1917381, 2025912, 2309104, 2556508, 2597742, 2968848, 3038868, 3463656, 3834762, 4051824, 4473889, 5113016, 5195484, 5752143, 6077736, 6927312, 7669524, 8947778, 10226032, 10390968, 11504286, 12155472, 13421667, 15339048, 17895556, 20781936, 23008572, 26843334, 30678096, 35791112, 40265001, 46017144, 53686668, 71582224, 80530002, 92034288, 107373336, 161060004, 214746672, 322120008, 644240016]

約数ペア:

[(1, 644240016), (2, 322120008), (3, 214746672), (4, 161060004), (6, 107373336), (7, 92034288), (8, 80530002), (9, 71582224), (12, 53686668), (14, 46017144), (16, 40265001), (18, 35791112), (21, 30678096), (24, 26843334), (28, 23008572), (31, 20781936), (36, 17895556), (42, 15339048), (48, 13421667), (53, 12155472), (56, 11504286), (62, 10390968), (63, 10226032), (72, 8947778), (84, 7669524), (93, 6927312), (106, 6077736), (112, 5752143), (124, 5195484), (126, 5113016), (144, 4473889), (159, 4051824), (168, 3834762), (186, 3463656), (212, 3038868), (217, 2968848), (248, 2597742), (252, 2556508), (279, 2309104), (318, 2025912), (336, 1917381), (371, 1736496), (372, 1731828), (389, 1656144), (424, 1519434), (434, 1484424), (477, 1350608), (496, 1298871), (504, 1278254), (558, 1154552), (636, 1012956), (651, 989616), (742, 868248), (744, 865914), (778, 828072), (848, 759717), (868, 742212), (954, 675304), (1008, 639127), (1113, 578832), (1116, 577276), (1167, 552048), (1272, 506478), (1302, 494808), (1484, 434124), (1488, 432957), (1556, 414036), (1643, 392112), (1736, 371106), (1908, 337652), (1953, 329872), (2226, 289416), (2232, 288638), (2334, 276024), (2544, 253239), (2604, 247404), (2723, 236592), (2968, 217062), (3112, 207018), (3286, 196056), (3339, 192944), (3472, 185553), (3501, 184016), (3816, 168826), (3906, 164936), (4452, 144708), (4464, 144319), (4668, 138012), (4929, 130704), (5208, 123702), (5446, 118296), (5936, 108531), (6224, 103509), (6572, 98028), (6678, 96472), (7002, 92008), (7632, 84413), (7812, 82468), (8169, 78864), (8904, 72354), (9336, 69006), (9858, 65352), (10416, 61851), (10892, 59148), (11501, 56016), (12059, 53424), (13144, 49014), (13356, 48236), (14004, 46004), (14787, 43568), (15624, 41234), (16338, 39432), (17808, 36177), (18672, 34503), (19716, 32676), (20617, 31248), (21784, 29574), (23002, 28008), (24118, 26712), (24507, 26288)]