261470160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17293}}^1$

素因数の和:17322

約数の個数: 160

約数和(自身を含む): 1029338880

約数和(自身を除く): 767868720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 17293, 34586, 51879, 69172, 86465, 103758, 121051, 138344, 155637, 172930, 207516, 242102, 259395, 276688, 311274, 345860, 363153, 415032, 466911, 484204, 518790, 605255, 622548, 691720, 726306, 778185, 830064, 933822, 968408, 1037580, 1089459, 1210510, 1245096, 1383440, 1452612, 1556370, 1815765, 1867644, 1936816, 2075160, 2178918, 2334555, 2421020, 2490192, 2905224, 3112740, 3268377, 3631530, 3735288, 4150320, 4357836, 4669110, 4842040, 5447295, 5810448, 6225480, 6536754, 7263060, 7470576, 8715672, 9338220, 9684080, 10894590, 12450960, 13073508, 14526120, 16341885, 17431344, 18676440, 21789180, 26147016, 29052240, 32683770, 37352880, 43578360, 52294032, 65367540, 87156720, 130735080, 261470160]

約数ペア:

[(1, 261470160), (2, 130735080), (3, 87156720), (4, 65367540), (5, 52294032), (6, 43578360), (7, 37352880), (8, 32683770), (9, 29052240), (10, 26147016), (12, 21789180), (14, 18676440), (15, 17431344), (16, 16341885), (18, 14526120), (20, 13073508), (21, 12450960), (24, 10894590), (27, 9684080), (28, 9338220), (30, 8715672), (35, 7470576), (36, 7263060), (40, 6536754), (42, 6225480), (45, 5810448), (48, 5447295), (54, 4842040), (56, 4669110), (60, 4357836), (63, 4150320), (70, 3735288), (72, 3631530), (80, 3268377), (84, 3112740), (90, 2905224), (105, 2490192), (108, 2421020), (112, 2334555), (120, 2178918), (126, 2075160), (135, 1936816), (140, 1867644), (144, 1815765), (168, 1556370), (180, 1452612), (189, 1383440), (210, 1245096), (216, 1210510), (240, 1089459), (252, 1037580), (270, 968408), (280, 933822), (315, 830064), (336, 778185), (360, 726306), (378, 691720), (420, 622548), (432, 605255), (504, 518790), (540, 484204), (560, 466911), (630, 415032), (720, 363153), (756, 345860), (840, 311274), (945, 276688), (1008, 259395), (1080, 242102), (1260, 207516), (1512, 172930), (1680, 155637), (1890, 138344), (2160, 121051), (2520, 103758), (3024, 86465), (3780, 69172), (5040, 51879), (7560, 34586), (15120, 17293)]