256696397568

素因数分解:

$2^8\times 3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 648

約数和(自身を含む): 849917005392

約数和(自身を除く): 593220607824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 53, 54, 64, 72, 78, 81, 96, 104, 106, 108, 113, 117, 128, 144, 156, 159, 162, 192, 208, 212, 216, 226, 234, 243, 256, 288, 312, 318, 324, 339, 351, 384, 416, 424, 432, 452, 468, 477, 486, 576, 624, 636, 648, 678, 689, 702, 768, 832, 848, 864, 904, 936, 954, 972, 1017, 1053, 1152, 1248, 1272, 1296, 1356, 1378, 1404, 1431, 1469, 1664, 1696, 1728, 1808, 1872, 1908, 1944, 2034, 2067, 2106, 2304, 2496, 2544, 2592, 2712, 2756, 2808, 2809, 2862, 2938, 3051, 3159, 3328, 3392, 3456, 3616, 3744, 3816, 3888, 4068, 4134, 4212, 4293, 4407, 4992, 5088, 5184, 5424, 5512, 5616, 5618, 5724, 5876, 5989, 6102, 6201, 6318, 6784, 6912, 7232, 7488, 7632, 7776, 8136, 8268, 8424, 8427, 8586, 8814, 9153, 9984, 10176, 10368, 10848, 11024, 11232, 11236, 11448, 11752, 11978, 12204, 12402, 12636, 12879, 13221, 13568, 14464, 14976, 15264, 15552, 16272, 16536, 16848, 16854, 17172, 17628, 17967, 18306, 18603, 20352, 20736, 21696, 22048, 22464, 22472, 22896, 23504, 23956, 24408, 24804, 25272, 25281, 25758, 26442, 27459, 28928, 29952, 30528, 31104, 32544, 33072, 33696, 33708, 34344, 35256, 35934, 36517, 36612, 37206, 39663, 40704, 43392, 44096, 44928, 44944, 45792, 47008, 47912, 48816, 49608, 50544, 50562, 51516, 52884, 53901, 54918, 55809, 61056, 62208, 65088, 66144, 67392, 67416, 68688, 70512, 71868, 73034, 73224, 74412, 75843, 77857, 79326, 86784, 88192, 89856, 89888, 91584, 94016, 95824, 97632, 99216, 101088, 101124, 103032, 105768, 107802, 109551, 109836, 111618, 118989, 122112, 130176, 132288, 134784, 134832, 137376, 141024, 143736, 146068, 146448, 148824, 151686, 155714, 158652, 161703, 167427, 176384, 179776, 183168, 188032, 191648, 195264, 198432, 202176, 202248, 206064, 211536, 215604, 219102, 219672, 223236, 227529, 233571, 237978, 260352, 264576, 269568, 269664, 274752, 282048, 287472, 292136, 292896, 297648, 303372, 311428, 317304, 317417, 323406, 328653, 334854, 356967, 359552, 366336, 376064, 383296, 390528, 396864, 404352, 404496, 412128, 423072, 431208, 438204, 439344, 446472, 455058, 467142, 475956, 485109, 529152, 539328, 549504, 564096, 574944, 584272, 585792, 595296, 606744, 622856, 634608, 634834, 646812, 657306, 669708, 682587, 700713, 713934, 719104, 766592, 781056, 793728, 808704, 808992, 824256, 846144, 862416, 876408, 878688, 892944, 910116, 934284, 951912, 952251, 970218, 985959, 1078656, 1099008, 1128192, 1149888, 1168544, 1171584, 1190592, 1213488, 1245712, 1269216, 1269668, 1293624, 1314612, 1339416, 1365174, 1401426, 1427868, 1455327, 1533184, 1587456, 1617984, 1648512, 1692288, 1724832, 1752816, 1757376, 1785888, 1820232, 1868568, 1903824, 1904502, 1940436, 1971918, 2102139, 2157312, 2299776, 2337088, 2343168, 2381184, 2426976, 2491424, 2538432, 2539336, 2587248, 2629224, 2678832, 2730348, 2802852, 2855736, 2856753, 2910654, 2957877, 3235968, 3297024, 3384576, 3449664, 3505632, 3514752, 3571776, 3640464, 3737136, 3807648, 3809004, 3880872, 3943836, 4126421, 4204278, 4599552, 4674176, 4762368, 4853952, 4982848, 5076864, 5078672, 5174496, 5258448, 5357664, 5460696, 5605704, 5711472, 5713506, 5821308, 5915754, 6306417, 6471936, 6899328, 7011264, 7029504, 7143552, 7280928, 7474272, 7615296, 7618008, 7761744, 7887672, 8252842, 8408556, 8570259, 8873631, 9348352, 9707904, 9965696, 10153728, 10157344, 10348992, 10516896, 10715328, 10921392, 11211408, 11422944, 11427012, 11642616, 11831508, 12379263, 12612834, 13798656, 14022528, 14287104, 14561856, 14948544, 15230592, 15236016, 15523488, 15775344, 16505684, 16817112, 17140518, 17747262, 18919251, 19415808, 19931392, 20314688, 20697984, 21033792, 21430656, 21842784, 22422816, 22845888, 22854024, 23285232, 23663016, 24758526, 25225668, 25710777, 28045056, 29123712, 29897088, 30461184, 30472032, 31046976, 31550688, 33011368, 33634224, 34281036, 35494524, 37137789, 37838502, 40629376, 41395968, 42067584, 42861312, 43685568, 44845632, 45691776, 45708048, 46570464, 47326032, 49517052, 50451336, 51421554, 58247424, 59794176, 60944064, 62093952, 63101376, 66022736, 67268448, 68562072, 70989048, 74275578, 75677004, 77132331, 81258752, 84135168, 87371136, 89691264, 91383552, 91416096, 93140928, 94652064, 99034104, 100902672, 102843108, 111413367, 121888128, 124187904, 126202752, 132045472, 134536896, 137124144, 141978096, 148551156, 151354008, 154264662, 174742272, 179382528, 182832192, 186281856, 189304128, 198068208, 201805344, 205686216, 222826734, 243776256, 252405504, 264090944, 269073792, 274248288, 283956192, 297102312, 302708016, 308529324, 334240101, 365664384, 372563712, 378608256, 396136416, 403610688, 411372432, 445653468, 528181888, 538147584, 548496576, 567912384, 594204624, 605416032, 617058648, 668480202, 731328768, 757216512, 792272832, 807221376, 822744864, 891306936, 1002720303, 1056363776, 1096993152, 1135824768, 1188409248, 1210832064, 1234117296, 1336960404, 1584545664, 1614442752, 1645489728, 1782613872, 2005440606, 2193986304, 2271649536, 2376818496, 2421664128, 2468234592, 2673920808, 3169091328, 3290979456, 3565227744, 4010881212, 4753636992, 4843328256, 4936469184, 5347841616, 6581958912, 7130455488, 8021762424, 9507273984, 9872938368, 10695683232, 14260910976, 16043524848, 19745876736, 21391366464, 28521821952, 32087049696, 42782732928, 64174099392, 85565465856, 128348198784, 256696397568]

約数ペア:

[(1, 256696397568), (2, 128348198784), (3, 85565465856), (4, 64174099392), (6, 42782732928), (8, 32087049696), (9, 28521821952), (12, 21391366464), (13, 19745876736), (16, 16043524848), (18, 14260910976), (24, 10695683232), (26, 9872938368), (27, 9507273984), (32, 8021762424), (36, 7130455488), (39, 6581958912), (48, 5347841616), (52, 4936469184), (53, 4843328256), (54, 4753636992), (64, 4010881212), (72, 3565227744), (78, 3290979456), (81, 3169091328), (96, 2673920808), (104, 2468234592), (106, 2421664128), (108, 2376818496), (113, 2271649536), (117, 2193986304), (128, 2005440606), (144, 1782613872), (156, 1645489728), (159, 1614442752), (162, 1584545664), (192, 1336960404), (208, 1234117296), (212, 1210832064), (216, 1188409248), (226, 1135824768), (234, 1096993152), (243, 1056363776), (256, 1002720303), (288, 891306936), (312, 822744864), (318, 807221376), (324, 792272832), (339, 757216512), (351, 731328768), (384, 668480202), (416, 617058648), (424, 605416032), (432, 594204624), 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(3456, 74275578), (3616, 70989048), (3744, 68562072), (3816, 67268448), (3888, 66022736), (4068, 63101376), (4134, 62093952), (4212, 60944064), (4293, 59794176), (4407, 58247424), (4992, 51421554), (5088, 50451336), (5184, 49517052), (5424, 47326032), (5512, 46570464), (5616, 45708048), (5618, 45691776), (5724, 44845632), (5876, 43685568), (5989, 42861312), (6102, 42067584), (6201, 41395968), (6318, 40629376), (6784, 37838502), (6912, 37137789), (7232, 35494524), (7488, 34281036), (7632, 33634224), (7776, 33011368), (8136, 31550688), (8268, 31046976), (8424, 30472032), (8427, 30461184), (8586, 29897088), (8814, 29123712), (9153, 28045056), (9984, 25710777), (10176, 25225668), (10368, 24758526), (10848, 23663016), (11024, 23285232), (11232, 22854024), (11236, 22845888), (11448, 22422816), (11752, 21842784), (11978, 21430656), (12204, 21033792), (12402, 20697984), (12636, 20314688), (12879, 19931392), (13221, 19415808), (13568, 18919251), (14464, 17747262), (14976, 17140518), (15264, 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