131264280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 256

約数和(自身を含む): 508032000

約数和(自身を除く): 376767720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 97, 105, 108, 120, 126, 135, 140, 168, 179, 180, 189, 194, 210, 216, 252, 270, 280, 291, 315, 358, 360, 378, 388, 420, 485, 504, 537, 540, 582, 630, 679, 716, 756, 776, 840, 873, 895, 945, 970, 1074, 1080, 1164, 1253, 1260, 1358, 1432, 1455, 1512, 1611, 1746, 1790, 1890, 1940, 2037, 2148, 2328, 2506, 2520, 2619, 2685, 2716, 2910, 3222, 3395, 3492, 3580, 3759, 3780, 3880, 4074, 4296, 4365, 4833, 5012, 5238, 5370, 5432, 5820, 6111, 6265, 6444, 6790, 6984, 7160, 7518, 7560, 8055, 8148, 8730, 9666, 10024, 10185, 10476, 10740, 11277, 11640, 12222, 12530, 12888, 13095, 13580, 15036, 16110, 16296, 17363, 17460, 18333, 18795, 19332, 20370, 20952, 21480, 22554, 24165, 24444, 25060, 26190, 27160, 30072, 30555, 32220, 33831, 34726, 34920, 36666, 37590, 38664, 40740, 45108, 48330, 48888, 50120, 52089, 52380, 56385, 61110, 64440, 67662, 69452, 73332, 75180, 81480, 86815, 90216, 91665, 96660, 104178, 104760, 112770, 121541, 122220, 135324, 138904, 146664, 150360, 156267, 169155, 173630, 183330, 193320, 208356, 225540, 243082, 244440, 260445, 270648, 312534, 338310, 347260, 364623, 366660, 416712, 451080, 468801, 486164, 520890, 607705, 625068, 676620, 694520, 729246, 733320, 781335, 937602, 972328, 1041780, 1093869, 1215410, 1250136, 1353240, 1458492, 1562670, 1823115, 1875204, 2083560, 2187738, 2344005, 2430820, 2916984, 3125340, 3281607, 3646230, 3750408, 4375476, 4688010, 4861640, 5469345, 6250680, 6563214, 7292460, 8750952, 9376020, 10938690, 13126428, 14584920, 16408035, 18752040, 21877380, 26252856, 32816070, 43754760, 65632140, 131264280]

約数ペア:

[(1, 131264280), (2, 65632140), (3, 43754760), (4, 32816070), (5, 26252856), (6, 21877380), (7, 18752040), (8, 16408035), (9, 14584920), (10, 13126428), (12, 10938690), (14, 9376020), (15, 8750952), (18, 7292460), (20, 6563214), (21, 6250680), (24, 5469345), (27, 4861640), (28, 4688010), (30, 4375476), (35, 3750408), (36, 3646230), (40, 3281607), (42, 3125340), (45, 2916984), (54, 2430820), (56, 2344005), (60, 2187738), (63, 2083560), (70, 1875204), (72, 1823115), (84, 1562670), (90, 1458492), (97, 1353240), (105, 1250136), (108, 1215410), (120, 1093869), (126, 1041780), (135, 972328), (140, 937602), (168, 781335), (179, 733320), (180, 729246), (189, 694520), (194, 676620), (210, 625068), (216, 607705), (252, 520890), (270, 486164), (280, 468801), (291, 451080), (315, 416712), (358, 366660), (360, 364623), (378, 347260), (388, 338310), (420, 312534), (485, 270648), (504, 260445), (537, 244440), (540, 243082), (582, 225540), (630, 208356), (679, 193320), (716, 183330), (756, 173630), (776, 169155), (840, 156267), (873, 150360), (895, 146664), (945, 138904), (970, 135324), (1074, 122220), (1080, 121541), (1164, 112770), (1253, 104760), (1260, 104178), (1358, 96660), (1432, 91665), (1455, 90216), (1512, 86815), (1611, 81480), (1746, 75180), (1790, 73332), (1890, 69452), (1940, 67662), (2037, 64440), (2148, 61110), (2328, 56385), (2506, 52380), (2520, 52089), (2619, 50120), (2685, 48888), (2716, 48330), (2910, 45108), (3222, 40740), (3395, 38664), (3492, 37590), (3580, 36666), (3759, 34920), (3780, 34726), (3880, 33831), (4074, 32220), (4296, 30555), (4365, 30072), (4833, 27160), (5012, 26190), (5238, 25060), (5370, 24444), (5432, 24165), (5820, 22554), (6111, 21480), (6265, 20952), (6444, 20370), (6790, 19332), (6984, 18795), (7160, 18333), (7518, 17460), (7560, 17363), (8055, 16296), (8148, 16110), (8730, 15036), (9666, 13580), (10024, 13095), (10185, 12888), (10476, 12530), (10740, 12222), (11277, 11640)]