257320584

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 128

約数和(自身を含む): 748339200

約数和(自身を除く): 491018616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 83, 93, 108, 124, 166, 186, 216, 248, 249, 279, 332, 372, 463, 498, 558, 664, 744, 747, 837, 926, 996, 1116, 1389, 1494, 1674, 1852, 1992, 2232, 2241, 2573, 2778, 2988, 3348, 3704, 4167, 4482, 5146, 5556, 5976, 6696, 7719, 8334, 8964, 10292, 11112, 12501, 14353, 15438, 16668, 17928, 20584, 23157, 25002, 28706, 30876, 33336, 38429, 43059, 46314, 50004, 57412, 61752, 69471, 76858, 86118, 92628, 100008, 114824, 115287, 129177, 138942, 153716, 172236, 185256, 230574, 258354, 277884, 307432, 344472, 345861, 387531, 461148, 516708, 555768, 691722, 775062, 922296, 1033416, 1037583, 1191299, 1383444, 1550124, 2075166, 2382598, 2766888, 3100248, 3573897, 4150332, 4765196, 7147794, 8300664, 9530392, 10721691, 14295588, 21443382, 28591176, 32165073, 42886764, 64330146, 85773528, 128660292, 257320584]

約数ペア:

[(1, 257320584), (2, 128660292), (3, 85773528), (4, 64330146), (6, 42886764), (8, 32165073), (9, 28591176), (12, 21443382), (18, 14295588), (24, 10721691), (27, 9530392), (31, 8300664), (36, 7147794), (54, 4765196), (62, 4150332), (72, 3573897), (83, 3100248), (93, 2766888), (108, 2382598), (124, 2075166), (166, 1550124), (186, 1383444), (216, 1191299), (248, 1037583), (249, 1033416), (279, 922296), (332, 775062), (372, 691722), (463, 555768), (498, 516708), (558, 461148), (664, 387531), (744, 345861), (747, 344472), (837, 307432), (926, 277884), (996, 258354), (1116, 230574), (1389, 185256), (1494, 172236), (1674, 153716), (1852, 138942), (1992, 129177), (2232, 115287), (2241, 114824), (2573, 100008), (2778, 92628), (2988, 86118), (3348, 76858), (3704, 69471), (4167, 61752), (4482, 57412), (5146, 50004), (5556, 46314), (5976, 43059), (6696, 38429), (7719, 33336), (8334, 30876), (8964, 28706), (10292, 25002), (11112, 23157), (12501, 20584), (14353, 17928), (15438, 16668)]