261666288

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 849278976

約数和(自身を除く): 587612688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 36, 39, 48, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 144, 156, 162, 167, 186, 208, 216, 234, 243, 248, 279, 312, 324, 334, 351, 372, 403, 432, 468, 486, 496, 501, 558, 624, 648, 668, 702, 744, 806, 837, 936, 972, 1002, 1053, 1116, 1209, 1296, 1336, 1404, 1488, 1503, 1612, 1674, 1872, 1944, 2004, 2106, 2171, 2232, 2418, 2511, 2672, 2808, 3006, 3159, 3224, 3348, 3627, 3888, 4008, 4212, 4342, 4464, 4509, 4836, 5022, 5177, 5616, 6012, 6318, 6448, 6513, 6696, 7254, 7533, 8016, 8424, 8684, 9018, 9672, 10044, 10354, 10881, 12024, 12636, 13026, 13392, 13527, 14508, 15066, 15531, 16848, 17368, 18036, 19344, 19539, 20088, 20708, 21762, 24048, 25272, 26052, 27054, 29016, 30132, 31062, 32643, 34736, 36072, 39078, 40176, 40581, 41416, 43524, 46593, 50544, 52104, 54108, 58032, 58617, 60264, 62124, 65286, 67301, 72144, 78156, 81162, 82832, 87048, 93186, 97929, 104208, 108216, 117234, 120528, 124248, 130572, 134602, 139779, 156312, 162324, 174096, 175851, 186372, 195858, 201903, 216432, 234468, 248496, 261144, 269204, 279558, 312624, 324648, 351702, 372744, 391716, 403806, 419337, 468936, 522288, 527553, 538408, 559116, 605709, 649296, 703404, 745488, 783432, 807612, 838674, 937872, 1055106, 1076816, 1118232, 1211418, 1258011, 1406808, 1566864, 1615224, 1677348, 1817127, 2110212, 2236464, 2422836, 2516022, 2813616, 3230448, 3354696, 3634254, 4220424, 4845672, 5032044, 5451381, 6709392, 7268508, 8440848, 9691344, 10064088, 10902762, 14537016, 16354143, 20128176, 21805524, 29074032, 32708286, 43611048, 65416572, 87222096, 130833144, 261666288]

約数ペア:

[(1, 261666288), (2, 130833144), (3, 87222096), (4, 65416572), (6, 43611048), (8, 32708286), (9, 29074032), (12, 21805524), (13, 20128176), (16, 16354143), (18, 14537016), (24, 10902762), (26, 10064088), (27, 9691344), (31, 8440848), (36, 7268508), (39, 6709392), (48, 5451381), (52, 5032044), (54, 4845672), (62, 4220424), (72, 3634254), (78, 3354696), (81, 3230448), (93, 2813616), (104, 2516022), (108, 2422836), (117, 2236464), (124, 2110212), (144, 1817127), (156, 1677348), (162, 1615224), (167, 1566864), (186, 1406808), (208, 1258011), (216, 1211418), (234, 1118232), (243, 1076816), (248, 1055106), (279, 937872), (312, 838674), (324, 807612), (334, 783432), (351, 745488), (372, 703404), (403, 649296), (432, 605709), (468, 559116), (486, 538408), (496, 527553), (501, 522288), (558, 468936), (624, 419337), (648, 403806), (668, 391716), (702, 372744), (744, 351702), (806, 324648), (837, 312624), (936, 279558), (972, 269204), (1002, 261144), (1053, 248496), (1116, 234468), (1209, 216432), (1296, 201903), (1336, 195858), (1404, 186372), (1488, 175851), (1503, 174096), (1612, 162324), (1674, 156312), (1872, 139779), (1944, 134602), (2004, 130572), (2106, 124248), (2171, 120528), (2232, 117234), (2418, 108216), (2511, 104208), (2672, 97929), (2808, 93186), (3006, 87048), (3159, 82832), (3224, 81162), (3348, 78156), (3627, 72144), (3888, 67301), (4008, 65286), (4212, 62124), (4342, 60264), (4464, 58617), (4509, 58032), (4836, 54108), (5022, 52104), (5177, 50544), (5616, 46593), (6012, 43524), (6318, 41416), (6448, 40581), (6513, 40176), (6696, 39078), (7254, 36072), (7533, 34736), (8016, 32643), (8424, 31062), (8684, 30132), (9018, 29016), (9672, 27054), (10044, 26052), (10354, 25272), (10881, 24048), (12024, 21762), (12636, 20708), (13026, 20088), (13392, 19539), (13527, 19344), (14508, 18036), (15066, 17368), (15531, 16848)]