131256720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8681}}^1$

素因数の和:8710

約数の個数: 160

約数和(自身を含む): 516752640

約数和(自身を除く): 385495920

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, 8681, 15120, 17362, 26043, 34724, 43405, 52086, 60767, 69448, 78129, 86810, 104172, 121534, 130215, 138896, 156258, 173620, 182301, 208344, 234387, 243068, 260430, 303835, 312516, 347240, 364602, 390645, 416688, 468774, 486136, 520860, 546903, 607670, 625032, 694480, 729204, 781290, 911505, 937548, 972272, 1041720, 1093806, 1171935, 1215340, 1250064, 1458408, 1562580, 1640709, 1823010, 1875096, 2083440, 2187612, 2343870, 2430680, 2734515, 2916816, 3125160, 3281418, 3646020, 3750192, 4375224, 4687740, 4861360, 5469030, 6250320, 6562836, 7292040, 8203545, 8750448, 9375480, 10938060, 13125672, 14584080, 16407090, 18750960, 21876120, 26251344, 32814180, 43752240, 65628360, 131256720]

約数ペア:

[(1, 131256720), (2, 65628360), (3, 43752240), (4, 32814180), (5, 26251344), (6, 21876120), (7, 18750960), (8, 16407090), (9, 14584080), (10, 13125672), (12, 10938060), (14, 9375480), (15, 8750448), (16, 8203545), (18, 7292040), (20, 6562836), (21, 6250320), (24, 5469030), (27, 4861360), (28, 4687740), (30, 4375224), (35, 3750192), (36, 3646020), (40, 3281418), (42, 3125160), (45, 2916816), (48, 2734515), (54, 2430680), (56, 2343870), (60, 2187612), (63, 2083440), (70, 1875096), (72, 1823010), (80, 1640709), (84, 1562580), (90, 1458408), (105, 1250064), (108, 1215340), (112, 1171935), (120, 1093806), (126, 1041720), (135, 972272), (140, 937548), (144, 911505), (168, 781290), (180, 729204), (189, 694480), (210, 625032), (216, 607670), (240, 546903), (252, 520860), (270, 486136), (280, 468774), (315, 416688), (336, 390645), (360, 364602), (378, 347240), (420, 312516), (432, 303835), (504, 260430), (540, 243068), (560, 234387), (630, 208344), (720, 182301), (756, 173620), (840, 156258), (945, 138896), (1008, 130215), (1080, 121534), (1260, 104172), (1512, 86810), (1680, 78129), (1890, 69448), (2160, 60767), (2520, 52086), (3024, 43405), (3780, 34724), (5040, 26043), (7560, 17362), (8681, 15120)]