256528512

素因数分解:

$2^7\times 3^3\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 762960000

約数和(自身を除く): 506431488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 199, 216, 288, 373, 384, 398, 432, 576, 597, 746, 796, 864, 1119, 1152, 1194, 1492, 1592, 1728, 1791, 2238, 2388, 2984, 3184, 3357, 3456, 3582, 4476, 4776, 5373, 5968, 6368, 6714, 7164, 8952, 9552, 10071, 10746, 11936, 12736, 13428, 14328, 17904, 19104, 20142, 21492, 23872, 25472, 26856, 28656, 35808, 38208, 40284, 42984, 47744, 53712, 57312, 71616, 74227, 76416, 80568, 85968, 107424, 114624, 143232, 148454, 161136, 171936, 214848, 222681, 229248, 296908, 322272, 343872, 429696, 445362, 593816, 644544, 668043, 687744, 890724, 1187632, 1289088, 1336086, 1781448, 2004129, 2375264, 2672172, 3562896, 4008258, 4750528, 5344344, 7125792, 8016516, 9501056, 10688688, 14251584, 16033032, 21377376, 28503168, 32066064, 42754752, 64132128, 85509504, 128264256, 256528512]

約数ペア:

[(1, 256528512), (2, 128264256), (3, 85509504), (4, 64132128), (6, 42754752), (8, 32066064), (9, 28503168), (12, 21377376), (16, 16033032), (18, 14251584), (24, 10688688), (27, 9501056), (32, 8016516), (36, 7125792), (48, 5344344), (54, 4750528), (64, 4008258), (72, 3562896), (96, 2672172), (108, 2375264), (128, 2004129), (144, 1781448), (192, 1336086), (199, 1289088), (216, 1187632), (288, 890724), (373, 687744), (384, 668043), (398, 644544), (432, 593816), (576, 445362), (597, 429696), (746, 343872), (796, 322272), (864, 296908), (1119, 229248), (1152, 222681), (1194, 214848), (1492, 171936), (1592, 161136), (1728, 148454), (1791, 143232), (2238, 114624), (2388, 107424), (2984, 85968), (3184, 80568), (3357, 76416), (3456, 74227), (3582, 71616), (4476, 57312), (4776, 53712), (5373, 47744), (5968, 42984), (6368, 40284), (6714, 38208), (7164, 35808), (8952, 28656), (9552, 26856), (10071, 25472), (10746, 23872), (11936, 21492), (12736, 20142), (13428, 19104), (14328, 17904)]