261440568

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{41737}}^1$

素因数の和:41781

約数の個数: 64

約数和(自身を含む): 751284000

約数和(自身を除く): 489843432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 6264, 41737, 83474, 125211, 166948, 250422, 333896, 375633, 500844, 751266, 1001688, 1126899, 1210373, 1502532, 2253798, 2420746, 3005064, 3631119, 4507596, 4841492, 7262238, 9015192, 9682984, 10893357, 14524476, 21786714, 29048952, 32680071, 43573428, 65360142, 87146856, 130720284, 261440568]

約数ペア:

[(1, 261440568), (2, 130720284), (3, 87146856), (4, 65360142), (6, 43573428), (8, 32680071), (9, 29048952), (12, 21786714), (18, 14524476), (24, 10893357), (27, 9682984), (29, 9015192), (36, 7262238), (54, 4841492), (58, 4507596), (72, 3631119), (87, 3005064), (108, 2420746), (116, 2253798), (174, 1502532), (216, 1210373), (232, 1126899), (261, 1001688), (348, 751266), (522, 500844), (696, 375633), (783, 333896), (1044, 250422), (1566, 166948), (2088, 125211), (3132, 83474), (6264, 41737)]