81580108896

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 864

約数和(自身を含む): 292990973184

約数和(自身を除く): 211410864288

約数列:

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71632, 73476, 75504, 75517, 75702, 75988, 77872, 79794, 80586, 82584, 82896, 84656, 87606, 89466, 89804, 90024, 92944, 95238, 97526, 97968, 98208, 100936, 104562, 106392, 107074, 107448, 110112, 113256, 113553, 113982, 116064, 116402, 116808, 117216, 119288, 120032, 124344, 126542, 126984, 127798, 134199, 134706, 135036, 138528, 138787, 139416, 141856, 143264, 146289, 146952, 151008, 151034, 151404, 151976, 155744, 159588, 160611, 161172, 164021, 165168, 165792, 169312, 170973, 174603, 175212, 178932, 179608, 180048, 180079, 185888, 189813, 190476, 191697, 195052, 195936, 201872, 202059, 209124, 212784, 214148, 214896, 226512, 226551, 227106, 227964, 232804, 233616, 238576, 246961, 248688, 253084, 253968, 255596, 268398, 269412, 270072, 277574, 278832, 292578, 293904, 302068, 302808, 303952, 319176, 321222, 322344, 328042, 330336, 341946, 349206, 350424, 357864, 359216, 360096, 360158, 379626, 380952, 383394, 390104, 403744, 404118, 416361, 418248, 425568, 428296, 429792, 438867, 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約数ペア:

[(1, 81580108896), (2, 40790054448), (3, 27193369632), (4, 20395027224), (6, 13596684816), (8, 10197513612), (9, 9064456544), (11, 7416373536), (12, 6798342408), (13, 6275392992), (16, 5098756806), (18, 4532228272), (22, 3708186768), (24, 3399171204), (26, 3137696496), (31, 2631616416), (32, 2549378403), (33, 2472124512), (36, 2266114136), (37, 2204867808), (39, 2091797664), (44, 1854093384), (48, 1699585602), (52, 1568848248), (62, 1315808208), (66, 1236062256), (72, 1133057068), (74, 1102433904), (78, 1045898832), (88, 927046692), (93, 877205472), (96, 849792801), (99, 824041504), (104, 784424124), (111, 734955936), (117, 697265888), (121, 674215776), (124, 657904104), (132, 618031128), (143, 570490272), (144, 566528534), (148, 551216952), (156, 522949416), (157, 519618528), (176, 463523346), (186, 438602736), (198, 412020752), (208, 392212062), (222, 367477968), (234, 348632944), (242, 337107888), (248, 328952052), (264, 309015564), (279, 292401824), (286, 285245136), (288, 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