261718416

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 759706584

約数和(自身を除く): 497988168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 97, 123, 144, 164, 194, 246, 291, 328, 369, 388, 457, 492, 582, 656, 738, 776, 873, 914, 984, 1164, 1371, 1476, 1552, 1746, 1828, 1968, 2328, 2742, 2952, 3492, 3656, 3977, 4113, 4656, 5484, 5904, 6984, 7312, 7954, 8226, 10968, 11931, 13968, 15908, 16452, 18737, 21936, 23862, 31816, 32904, 35793, 37474, 44329, 47724, 56211, 63632, 65808, 71586, 74948, 88658, 95448, 112422, 132987, 143172, 149896, 168633, 177316, 190896, 224844, 265974, 286344, 299792, 337266, 354632, 398961, 449688, 531948, 572688, 674532, 709264, 797922, 899376, 1063896, 1349064, 1595844, 1817489, 2127792, 2698128, 3191688, 3634978, 5452467, 6383376, 7269956, 10904934, 14539912, 16357401, 21809868, 29079824, 32714802, 43619736, 65429604, 87239472, 130859208, 261718416]

約数ペア:

[(1, 261718416), (2, 130859208), (3, 87239472), (4, 65429604), (6, 43619736), (8, 32714802), (9, 29079824), (12, 21809868), (16, 16357401), (18, 14539912), (24, 10904934), (36, 7269956), (41, 6383376), (48, 5452467), (72, 3634978), (82, 3191688), (97, 2698128), (123, 2127792), (144, 1817489), (164, 1595844), (194, 1349064), (246, 1063896), (291, 899376), (328, 797922), (369, 709264), (388, 674532), (457, 572688), (492, 531948), (582, 449688), (656, 398961), (738, 354632), (776, 337266), (873, 299792), (914, 286344), (984, 265974), (1164, 224844), (1371, 190896), (1476, 177316), (1552, 168633), (1746, 149896), (1828, 143172), (1968, 132987), (2328, 112422), (2742, 95448), (2952, 88658), (3492, 74948), (3656, 71586), (3977, 65808), (4113, 63632), (4656, 56211), (5484, 47724), (5904, 44329), (6984, 37474), (7312, 35793), (7954, 32904), (8226, 31816), (10968, 23862), (11931, 21936), (13968, 18737), (15908, 16452)]