256153392

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 240

約数和(自身を含む): 835660800

約数和(自身を除く): 579507408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 33, 36, 44, 46, 48, 66, 69, 72, 79, 88, 89, 92, 99, 132, 138, 144, 158, 176, 178, 184, 198, 207, 237, 253, 264, 267, 276, 316, 356, 368, 396, 414, 474, 506, 528, 534, 552, 632, 711, 712, 759, 792, 801, 828, 869, 948, 979, 1012, 1068, 1104, 1264, 1422, 1424, 1518, 1584, 1602, 1656, 1738, 1817, 1896, 1958, 2024, 2047, 2136, 2277, 2607, 2844, 2937, 3036, 3204, 3312, 3476, 3634, 3792, 3916, 4048, 4094, 4272, 4554, 5214, 5451, 5688, 5874, 6072, 6141, 6408, 6952, 7031, 7268, 7821, 7832, 8188, 8811, 9108, 10428, 10902, 11376, 11748, 12144, 12282, 12816, 13904, 14062, 14536, 15642, 15664, 16353, 16376, 17622, 18216, 18423, 19987, 20856, 21093, 21804, 22517, 23496, 24564, 28124, 29072, 31284, 32706, 32752, 35244, 36432, 36846, 39974, 41712, 42186, 43608, 45034, 46992, 49128, 56248, 59961, 62568, 63279, 65412, 67551, 70488, 73692, 77341, 79948, 84372, 87216, 90068, 98256, 112496, 119922, 125136, 126558, 130824, 135102, 140976, 147384, 154682, 159896, 161713, 168744, 179883, 180136, 202653, 232023, 239844, 253116, 261648, 270204, 294768, 309364, 319792, 323426, 337488, 359766, 360272, 405306, 464046, 479688, 485139, 506232, 540408, 618728, 646852, 696069, 719532, 810612, 928092, 959376, 970278, 1012464, 1080816, 1237456, 1293704, 1392138, 1439064, 1455417, 1621224, 1778843, 1856184, 1940556, 2587408, 2784276, 2878128, 2910834, 3242448, 3557686, 3712368, 3881112, 5336529, 5568552, 5821668, 7115372, 7762224, 10673058, 11137104, 11643336, 14230744, 16009587, 21346116, 23286672, 28461488, 32019174, 42692232, 64038348, 85384464, 128076696, 256153392]

約数ペア:

[(1, 256153392), (2, 128076696), (3, 85384464), (4, 64038348), (6, 42692232), (8, 32019174), (9, 28461488), (11, 23286672), (12, 21346116), (16, 16009587), (18, 14230744), (22, 11643336), (23, 11137104), (24, 10673058), (33, 7762224), (36, 7115372), (44, 5821668), (46, 5568552), (48, 5336529), (66, 3881112), (69, 3712368), (72, 3557686), (79, 3242448), (88, 2910834), (89, 2878128), (92, 2784276), (99, 2587408), (132, 1940556), (138, 1856184), (144, 1778843), (158, 1621224), (176, 1455417), (178, 1439064), (184, 1392138), (198, 1293704), (207, 1237456), (237, 1080816), (253, 1012464), (264, 970278), (267, 959376), (276, 928092), (316, 810612), (356, 719532), (368, 696069), (396, 646852), (414, 618728), (474, 540408), (506, 506232), (528, 485139), (534, 479688), (552, 464046), (632, 405306), (711, 360272), (712, 359766), (759, 337488), (792, 323426), (801, 319792), (828, 309364), (869, 294768), (948, 270204), (979, 261648), (1012, 253116), (1068, 239844), (1104, 232023), (1264, 202653), (1422, 180136), (1424, 179883), (1518, 168744), (1584, 161713), (1602, 159896), (1656, 154682), (1738, 147384), (1817, 140976), (1896, 135102), (1958, 130824), (2024, 126558), (2047, 125136), (2136, 119922), (2277, 112496), (2607, 98256), (2844, 90068), (2937, 87216), (3036, 84372), (3204, 79948), (3312, 77341), (3476, 73692), (3634, 70488), (3792, 67551), (3916, 65412), (4048, 63279), (4094, 62568), (4272, 59961), (4554, 56248), (5214, 49128), (5451, 46992), (5688, 45034), (5874, 43608), (6072, 42186), (6141, 41712), (6408, 39974), (6952, 36846), (7031, 36432), (7268, 35244), (7821, 32752), (7832, 32706), (8188, 31284), (8811, 29072), (9108, 28124), (10428, 24564), (10902, 23496), (11376, 22517), (11748, 21804), (12144, 21093), (12282, 20856), (12816, 19987), (13904, 18423), (14062, 18216), (14536, 17622), (15642, 16376), (15664, 16353)]