256616724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 764164800

約数和(自身を除く): 507548076

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 59, 78, 84, 91, 98, 118, 147, 156, 177, 182, 196, 236, 273, 294, 354, 364, 413, 546, 569, 588, 637, 708, 767, 826, 1092, 1138, 1239, 1274, 1534, 1652, 1707, 1911, 2276, 2301, 2478, 2548, 2891, 3068, 3414, 3822, 3983, 4602, 4956, 5369, 5782, 6828, 7397, 7644, 7966, 8673, 9204, 10738, 11564, 11949, 14794, 15932, 16107, 17346, 21476, 22191, 23898, 27881, 29588, 32214, 33571, 34692, 37583, 44382, 47796, 51779, 55762, 64428, 67142, 75166, 83643, 88764, 100713, 103558, 111524, 112749, 134284, 150332, 155337, 167286, 201426, 207116, 225498, 234997, 310674, 334572, 362453, 402852, 436423, 450996, 469994, 621348, 704991, 724906, 872846, 939988, 1087359, 1309269, 1409982, 1449812, 1644979, 1745692, 2174718, 2618538, 2819964, 3054961, 3289958, 4349436, 4934937, 5237076, 6109922, 6579916, 9164883, 9869874, 12219844, 18329766, 19739748, 21384727, 36659532, 42769454, 64154181, 85538908, 128308362, 256616724]

約数ペア:

[(1, 256616724), (2, 128308362), (3, 85538908), (4, 64154181), (6, 42769454), (7, 36659532), (12, 21384727), (13, 19739748), (14, 18329766), (21, 12219844), (26, 9869874), (28, 9164883), (39, 6579916), (42, 6109922), (49, 5237076), (52, 4934937), (59, 4349436), (78, 3289958), (84, 3054961), (91, 2819964), (98, 2618538), (118, 2174718), (147, 1745692), (156, 1644979), (177, 1449812), (182, 1409982), (196, 1309269), (236, 1087359), (273, 939988), (294, 872846), (354, 724906), (364, 704991), (413, 621348), (546, 469994), (569, 450996), (588, 436423), (637, 402852), (708, 362453), (767, 334572), (826, 310674), (1092, 234997), (1138, 225498), (1239, 207116), (1274, 201426), (1534, 167286), (1652, 155337), (1707, 150332), (1911, 134284), (2276, 112749), (2301, 111524), (2478, 103558), (2548, 100713), (2891, 88764), (3068, 83643), (3414, 75166), (3822, 67142), (3983, 64428), (4602, 55762), (4956, 51779), (5369, 47796), (5782, 44382), (6828, 37583), (7397, 34692), (7644, 33571), (7966, 32214), (8673, 29588), (9204, 27881), (10738, 23898), (11564, 22191), (11949, 21476), (14794, 17346), (15932, 16107)]