1279328256

素因数分解:

$2^{16}\times 3^4\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 170

約数和(自身を含む): 3838021022

約数和(自身を除く): 2558692766

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 241, 256, 288, 324, 384, 432, 482, 512, 576, 648, 723, 768, 864, 964, 1024, 1152, 1296, 1446, 1536, 1728, 1928, 2048, 2169, 2304, 2592, 2892, 3072, 3456, 3856, 4096, 4338, 4608, 5184, 5784, 6144, 6507, 6912, 7712, 8192, 8676, 9216, 10368, 11568, 12288, 13014, 13824, 15424, 16384, 17352, 18432, 19521, 20736, 23136, 24576, 26028, 27648, 30848, 32768, 34704, 36864, 39042, 41472, 46272, 49152, 52056, 55296, 61696, 65536, 69408, 73728, 78084, 82944, 92544, 98304, 104112, 110592, 123392, 138816, 147456, 156168, 165888, 185088, 196608, 208224, 221184, 246784, 277632, 294912, 312336, 331776, 370176, 416448, 442368, 493568, 555264, 589824, 624672, 663552, 740352, 832896, 884736, 987136, 1110528, 1249344, 1327104, 1480704, 1665792, 1769472, 1974272, 2221056, 2498688, 2654208, 2961408, 3331584, 3948544, 4442112, 4997376, 5308416, 5922816, 6663168, 7897088, 8884224, 9994752, 11845632, 13326336, 15794176, 17768448, 19989504, 23691264, 26652672, 35536896, 39979008, 47382528, 53305344, 71073792, 79958016, 106610688, 142147584, 159916032, 213221376, 319832064, 426442752, 639664128, 1279328256]

約数ペア:

[(1, 1279328256), (2, 639664128), (3, 426442752), (4, 319832064), (6, 213221376), (8, 159916032), (9, 142147584), (12, 106610688), (16, 79958016), (18, 71073792), (24, 53305344), (27, 47382528), (32, 39979008), (36, 35536896), (48, 26652672), (54, 23691264), (64, 19989504), (72, 17768448), (81, 15794176), (96, 13326336), (108, 11845632), (128, 9994752), (144, 8884224), (162, 7897088), (192, 6663168), (216, 5922816), (241, 5308416), (256, 4997376), (288, 4442112), (324, 3948544), (384, 3331584), (432, 2961408), (482, 2654208), (512, 2498688), (576, 2221056), (648, 1974272), (723, 1769472), (768, 1665792), (864, 1480704), (964, 1327104), (1024, 1249344), (1152, 1110528), (1296, 987136), (1446, 884736), (1536, 832896), (1728, 740352), (1928, 663552), (2048, 624672), (2169, 589824), (2304, 555264), (2592, 493568), (2892, 442368), (3072, 416448), (3456, 370176), (3856, 331776), (4096, 312336), (4338, 294912), (4608, 277632), (5184, 246784), (5784, 221184), (6144, 208224), (6507, 196608), (6912, 185088), (7712, 165888), (8192, 156168), (8676, 147456), (9216, 138816), (10368, 123392), (11568, 110592), (12288, 104112), (13014, 98304), (13824, 92544), (15424, 82944), (16384, 78084), (17352, 73728), (18432, 69408), (19521, 65536), (20736, 61696), (23136, 55296), (24576, 52056), (26028, 49152), (27648, 46272), (30848, 41472), (32768, 39042), (34704, 36864)]