81256608

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 263450880

約数和(自身を除く): 182194272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 29, 32, 36, 46, 47, 48, 54, 58, 69, 72, 81, 87, 92, 94, 96, 108, 116, 138, 141, 144, 162, 174, 184, 188, 207, 216, 232, 261, 276, 282, 288, 324, 348, 368, 376, 414, 423, 432, 464, 522, 552, 564, 621, 648, 667, 696, 736, 752, 783, 828, 846, 864, 928, 1044, 1081, 1104, 1128, 1242, 1269, 1296, 1334, 1363, 1392, 1504, 1566, 1656, 1692, 1863, 2001, 2088, 2162, 2208, 2256, 2349, 2484, 2538, 2592, 2668, 2726, 2784, 3132, 3243, 3312, 3384, 3726, 3807, 4002, 4089, 4176, 4324, 4512, 4698, 4968, 5076, 5336, 5452, 6003, 6264, 6486, 6624, 6768, 7452, 7614, 8004, 8178, 8352, 8648, 9396, 9729, 9936, 10152, 10672, 10904, 12006, 12267, 12528, 12972, 13536, 14904, 15228, 16008, 16356, 17296, 18009, 18792, 19458, 19872, 20304, 21344, 21808, 24012, 24534, 25056, 25944, 29187, 29808, 30456, 31349, 32016, 32712, 34592, 36018, 36801, 37584, 38916, 40608, 43616, 48024, 49068, 51888, 54027, 58374, 59616, 60912, 62698, 64032, 65424, 72036, 73602, 75168, 77832, 87561, 94047, 96048, 98136, 103776, 108054, 110403, 116748, 121824, 125396, 130848, 144072, 147204, 155664, 175122, 188094, 192096, 196272, 216108, 220806, 233496, 250792, 282141, 288144, 294408, 311328, 350244, 376188, 392544, 432216, 441612, 466992, 501584, 564282, 576288, 588816, 700488, 752376, 846423, 864432, 883224, 933984, 1003168, 1128564, 1177632, 1400976, 1504752, 1692846, 1728864, 1766448, 2257128, 2539269, 2801952, 3009504, 3385692, 3532896, 4514256, 5078538, 6771384, 9028512, 10157076, 13542768, 20314152, 27085536, 40628304, 81256608]

約数ペア:

[(1, 81256608), (2, 40628304), (3, 27085536), (4, 20314152), (6, 13542768), (8, 10157076), (9, 9028512), (12, 6771384), (16, 5078538), (18, 4514256), (23, 3532896), (24, 3385692), (27, 3009504), (29, 2801952), (32, 2539269), (36, 2257128), (46, 1766448), (47, 1728864), (48, 1692846), (54, 1504752), (58, 1400976), (69, 1177632), (72, 1128564), (81, 1003168), (87, 933984), (92, 883224), (94, 864432), (96, 846423), (108, 752376), (116, 700488), (138, 588816), (141, 576288), (144, 564282), (162, 501584), (174, 466992), (184, 441612), (188, 432216), (207, 392544), (216, 376188), (232, 350244), (261, 311328), (276, 294408), (282, 288144), (288, 282141), (324, 250792), (348, 233496), (368, 220806), (376, 216108), (414, 196272), (423, 192096), (432, 188094), (464, 175122), (522, 155664), (552, 147204), (564, 144072), (621, 130848), (648, 125396), (667, 121824), (696, 116748), (736, 110403), (752, 108054), (783, 103776), (828, 98136), (846, 96048), (864, 94047), (928, 87561), (1044, 77832), (1081, 75168), (1104, 73602), (1128, 72036), (1242, 65424), (1269, 64032), (1296, 62698), (1334, 60912), (1363, 59616), (1392, 58374), (1504, 54027), (1566, 51888), (1656, 49068), (1692, 48024), (1863, 43616), (2001, 40608), (2088, 38916), (2162, 37584), (2208, 36801), (2256, 36018), (2349, 34592), (2484, 32712), (2538, 32016), (2592, 31349), (2668, 30456), (2726, 29808), (2784, 29187), (3132, 25944), (3243, 25056), (3312, 24534), (3384, 24012), (3726, 21808), (3807, 21344), (4002, 20304), (4089, 19872), (4176, 19458), (4324, 18792), (4512, 18009), (4698, 17296), (4968, 16356), (5076, 16008), (5336, 15228), (5452, 14904), (6003, 13536), (6264, 12972), (6486, 12528), (6624, 12267), (6768, 12006), (7452, 10904), (7614, 10672), (8004, 10152), (8178, 9936), (8352, 9729), (8648, 9396)]