261376704

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 168

約数和(自身を含む): 783683472

約数和(自身を除く): 522306768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 61, 64, 72, 86, 96, 122, 129, 144, 172, 173, 183, 192, 244, 258, 288, 344, 346, 366, 387, 488, 516, 519, 549, 576, 688, 692, 732, 774, 976, 1032, 1038, 1098, 1376, 1384, 1464, 1548, 1557, 1952, 2064, 2076, 2196, 2623, 2752, 2768, 2928, 3096, 3114, 3904, 4128, 4152, 4392, 5246, 5536, 5856, 6192, 6228, 7439, 7869, 8256, 8304, 8784, 10492, 10553, 11072, 11712, 12384, 12456, 14878, 15738, 16608, 17568, 20984, 21106, 22317, 23607, 24768, 24912, 29756, 31476, 31659, 33216, 35136, 41968, 42212, 44634, 47214, 49824, 59512, 62952, 63318, 66951, 83936, 84424, 89268, 94428, 94977, 99648, 119024, 125904, 126636, 133902, 167872, 168848, 178536, 188856, 189954, 238048, 251808, 253272, 267804, 337696, 357072, 377712, 379908, 453779, 476096, 503616, 506544, 535608, 675392, 714144, 755424, 759816, 907558, 1013088, 1071216, 1361337, 1428288, 1510848, 1519632, 1815116, 2026176, 2142432, 2722674, 3039264, 3630232, 4084011, 4284864, 5445348, 6078528, 7260464, 8168022, 10890696, 14520928, 16336044, 21781392, 29041856, 32672088, 43562784, 65344176, 87125568, 130688352, 261376704]

約数ペア:

[(1, 261376704), (2, 130688352), (3, 87125568), (4, 65344176), (6, 43562784), (8, 32672088), (9, 29041856), (12, 21781392), (16, 16336044), (18, 14520928), (24, 10890696), (32, 8168022), (36, 7260464), (43, 6078528), (48, 5445348), (61, 4284864), (64, 4084011), (72, 3630232), (86, 3039264), (96, 2722674), (122, 2142432), (129, 2026176), (144, 1815116), (172, 1519632), (173, 1510848), (183, 1428288), (192, 1361337), (244, 1071216), (258, 1013088), (288, 907558), (344, 759816), (346, 755424), (366, 714144), (387, 675392), (488, 535608), (516, 506544), (519, 503616), (549, 476096), (576, 453779), (688, 379908), (692, 377712), (732, 357072), (774, 337696), (976, 267804), (1032, 253272), (1038, 251808), (1098, 238048), (1376, 189954), (1384, 188856), (1464, 178536), (1548, 168848), (1557, 167872), (1952, 133902), (2064, 126636), (2076, 125904), (2196, 119024), (2623, 99648), (2752, 94977), (2768, 94428), (2928, 89268), (3096, 84424), (3114, 83936), (3904, 66951), (4128, 63318), (4152, 62952), (4392, 59512), (5246, 49824), (5536, 47214), (5856, 44634), (6192, 42212), (6228, 41968), (7439, 35136), (7869, 33216), (8256, 31659), (8304, 31476), (8784, 29756), (10492, 24912), (10553, 24768), (11072, 23607), (11712, 22317), (12384, 21106), (12456, 20984), (14878, 17568), (15738, 16608)]