261385920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{30253}}^1$

素因数の和:30279

約数の個数: 112

約数和(自身を含む): 922141920

約数和(自身を除く): 660756000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 30253, 60506, 90759, 121012, 151265, 181518, 242024, 272277, 302530, 363036, 453795, 484048, 544554, 605060, 726072, 816831, 907590, 968096, 1089108, 1210120, 1361385, 1452144, 1633662, 1815180, 1936192, 2178216, 2420240, 2722770, 2904288, 3267324, 3630360, 4084155, 4356432, 4840480, 5445540, 5808576, 6534648, 7260720, 8168310, 8712864, 9680960, 10891080, 13069296, 14521440, 16336620, 17425728, 21782160, 26138592, 29042880, 32673240, 43564320, 52277184, 65346480, 87128640, 130692960, 261385920]

約数ペア:

[(1, 261385920), (2, 130692960), (3, 87128640), (4, 65346480), (5, 52277184), (6, 43564320), (8, 32673240), (9, 29042880), (10, 26138592), (12, 21782160), (15, 17425728), (16, 16336620), (18, 14521440), (20, 13069296), (24, 10891080), (27, 9680960), (30, 8712864), (32, 8168310), (36, 7260720), (40, 6534648), (45, 5808576), (48, 5445540), (54, 4840480), (60, 4356432), (64, 4084155), (72, 3630360), (80, 3267324), (90, 2904288), (96, 2722770), (108, 2420240), (120, 2178216), (135, 1936192), (144, 1815180), (160, 1633662), (180, 1452144), (192, 1361385), (216, 1210120), (240, 1089108), (270, 968096), (288, 907590), (320, 816831), (360, 726072), (432, 605060), (480, 544554), (540, 484048), (576, 453795), (720, 363036), (864, 302530), (960, 272277), (1080, 242024), (1440, 181518), (1728, 151265), (2160, 121012), (2880, 90759), (4320, 60506), (8640, 30253)]