261985536

素因数分解:

$2^8\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1361

約数の個数: 144

約数和(自身を含む): 802065600

約数和(自身を除く): 540080064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 128, 144, 174, 192, 216, 232, 256, 261, 288, 348, 384, 432, 464, 522, 576, 696, 768, 783, 864, 928, 1044, 1152, 1307, 1392, 1566, 1728, 1856, 2088, 2304, 2614, 2784, 3132, 3456, 3712, 3921, 4176, 5228, 5568, 6264, 6912, 7424, 7842, 8352, 10456, 11136, 11763, 12528, 15684, 16704, 20912, 22272, 23526, 25056, 31368, 33408, 35289, 37903, 41824, 47052, 50112, 62736, 66816, 70578, 75806, 83648, 94104, 100224, 113709, 125472, 141156, 151612, 167296, 188208, 200448, 227418, 250944, 282312, 303224, 334592, 341127, 376416, 454836, 501888, 564624, 606448, 682254, 752832, 909672, 1003776, 1023381, 1129248, 1212896, 1364508, 1505664, 1819344, 2046762, 2258496, 2425792, 2729016, 3011328, 3638688, 4093524, 4516992, 4851584, 5458032, 7277376, 8187048, 9033984, 9703168, 10916064, 14554752, 16374096, 21832128, 29109504, 32748192, 43664256, 65496384, 87328512, 130992768, 261985536]

約数ペア:

[(1, 261985536), (2, 130992768), (3, 87328512), (4, 65496384), (6, 43664256), (8, 32748192), (9, 29109504), (12, 21832128), (16, 16374096), (18, 14554752), (24, 10916064), (27, 9703168), (29, 9033984), (32, 8187048), (36, 7277376), (48, 5458032), (54, 4851584), (58, 4516992), (64, 4093524), (72, 3638688), (87, 3011328), (96, 2729016), (108, 2425792), (116, 2258496), (128, 2046762), (144, 1819344), (174, 1505664), (192, 1364508), (216, 1212896), (232, 1129248), (256, 1023381), (261, 1003776), (288, 909672), (348, 752832), (384, 682254), (432, 606448), (464, 564624), (522, 501888), (576, 454836), (696, 376416), (768, 341127), (783, 334592), (864, 303224), (928, 282312), (1044, 250944), (1152, 227418), (1307, 200448), (1392, 188208), (1566, 167296), (1728, 151612), (1856, 141156), (2088, 125472), (2304, 113709), (2614, 100224), (2784, 94104), (3132, 83648), (3456, 75806), (3712, 70578), (3921, 66816), (4176, 62736), (5228, 50112), (5568, 47052), (6264, 41824), (6912, 37903), (7424, 35289), (7842, 33408), (8352, 31368), (10456, 25056), (11136, 23526), (11763, 22272), (12528, 20912), (15684, 16704)]