81275712

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 168

約数和(自身を含む): 256434336

約数和(自身を除く): 175158624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 53, 56, 64, 84, 96, 98, 106, 112, 147, 159, 163, 168, 192, 196, 212, 224, 294, 318, 326, 336, 371, 392, 424, 448, 489, 588, 636, 652, 672, 742, 784, 848, 978, 1113, 1141, 1176, 1272, 1304, 1344, 1484, 1568, 1696, 1956, 2226, 2282, 2352, 2544, 2597, 2608, 2968, 3136, 3392, 3423, 3912, 4452, 4564, 4704, 5088, 5194, 5216, 5936, 6846, 7791, 7824, 7987, 8639, 8904, 9128, 9408, 10176, 10388, 10432, 11872, 13692, 15582, 15648, 15974, 17278, 17808, 18256, 20776, 23744, 23961, 25917, 27384, 31164, 31296, 31948, 34556, 35616, 36512, 41552, 47922, 51834, 54768, 60473, 62328, 63896, 69112, 71232, 73024, 83104, 95844, 103668, 109536, 120946, 124656, 127792, 138224, 166208, 181419, 191688, 207336, 219072, 241892, 249312, 255584, 276448, 362838, 383376, 414672, 423311, 483784, 498624, 511168, 552896, 725676, 766752, 829344, 846622, 967568, 1269933, 1451352, 1533504, 1658688, 1693244, 1935136, 2539866, 2902704, 3386488, 3870272, 5079732, 5805408, 6772976, 10159464, 11610816, 13545952, 20318928, 27091904, 40637856, 81275712]

約数ペア:

[(1, 81275712), (2, 40637856), (3, 27091904), (4, 20318928), (6, 13545952), (7, 11610816), (8, 10159464), (12, 6772976), (14, 5805408), (16, 5079732), (21, 3870272), (24, 3386488), (28, 2902704), (32, 2539866), (42, 1935136), (48, 1693244), (49, 1658688), (53, 1533504), (56, 1451352), (64, 1269933), (84, 967568), (96, 846622), (98, 829344), (106, 766752), (112, 725676), (147, 552896), (159, 511168), (163, 498624), (168, 483784), (192, 423311), (196, 414672), (212, 383376), (224, 362838), (294, 276448), (318, 255584), (326, 249312), (336, 241892), (371, 219072), (392, 207336), (424, 191688), (448, 181419), (489, 166208), (588, 138224), (636, 127792), (652, 124656), (672, 120946), (742, 109536), (784, 103668), (848, 95844), (978, 83104), (1113, 73024), (1141, 71232), (1176, 69112), (1272, 63896), (1304, 62328), (1344, 60473), (1484, 54768), (1568, 51834), (1696, 47922), (1956, 41552), (2226, 36512), (2282, 35616), (2352, 34556), (2544, 31948), (2597, 31296), (2608, 31164), (2968, 27384), (3136, 25917), (3392, 23961), (3423, 23744), (3912, 20776), (4452, 18256), (4564, 17808), (4704, 17278), (5088, 15974), (5194, 15648), (5216, 15582), (5936, 13692), (6846, 11872), (7791, 10432), (7824, 10388), (7987, 10176), (8639, 9408), (8904, 9128)]