261704976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 765284352

約数和(自身を除く): 503579376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 83, 93, 104, 124, 156, 163, 166, 186, 208, 248, 249, 312, 326, 332, 372, 403, 489, 496, 498, 624, 652, 664, 744, 806, 978, 996, 1079, 1209, 1304, 1328, 1488, 1612, 1956, 1992, 2119, 2158, 2418, 2573, 2608, 3224, 3237, 3912, 3984, 4238, 4316, 4836, 5053, 5146, 6357, 6448, 6474, 7719, 7824, 8476, 8632, 9672, 10106, 10292, 12714, 12948, 13529, 15159, 15438, 16952, 17264, 19344, 20212, 20584, 25428, 25896, 27058, 30318, 30876, 33449, 33904, 40424, 40587, 41168, 50856, 51792, 54116, 60636, 61752, 65689, 66898, 80848, 81174, 100347, 101712, 108232, 121272, 123504, 131378, 133796, 162348, 175877, 197067, 200694, 216464, 242544, 262756, 267592, 324696, 351754, 394134, 401388, 419399, 525512, 527631, 535184, 649392, 703508, 788268, 802776, 838798, 1051024, 1055262, 1258197, 1407016, 1576536, 1605552, 1677596, 2110524, 2516394, 2814032, 3153072, 3355192, 4221048, 5032788, 5452187, 6710384, 8442096, 10065576, 10904374, 16356561, 20131152, 21808748, 32713122, 43617496, 65426244, 87234992, 130852488, 261704976]

約数ペア:

[(1, 261704976), (2, 130852488), (3, 87234992), (4, 65426244), (6, 43617496), (8, 32713122), (12, 21808748), (13, 20131152), (16, 16356561), (24, 10904374), (26, 10065576), (31, 8442096), (39, 6710384), (48, 5452187), (52, 5032788), (62, 4221048), (78, 3355192), (83, 3153072), (93, 2814032), (104, 2516394), (124, 2110524), (156, 1677596), (163, 1605552), (166, 1576536), (186, 1407016), (208, 1258197), (248, 1055262), (249, 1051024), (312, 838798), (326, 802776), (332, 788268), (372, 703508), (403, 649392), (489, 535184), (496, 527631), (498, 525512), (624, 419399), (652, 401388), (664, 394134), (744, 351754), (806, 324696), (978, 267592), (996, 262756), (1079, 242544), (1209, 216464), (1304, 200694), (1328, 197067), (1488, 175877), (1612, 162348), (1956, 133796), (1992, 131378), (2119, 123504), (2158, 121272), (2418, 108232), (2573, 101712), (2608, 100347), (3224, 81174), (3237, 80848), (3912, 66898), (3984, 65689), (4238, 61752), (4316, 60636), (4836, 54116), (5053, 51792), (5146, 50856), (6357, 41168), (6448, 40587), (6474, 40424), (7719, 33904), (7824, 33449), (8476, 30876), (8632, 30318), (9672, 27058), (10106, 25896), (10292, 25428), (12714, 20584), (12948, 20212), (13529, 19344), (15159, 17264), (15438, 16952)]