131271840

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{1447}}^1$

素因数の和:1481

約数の個数: 240

約数和(自身を含む): 529828992

約数和(自身を除く): 398557152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1447, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 2894, 3024, 3240, 3360, 3780, 4320, 4341, 4536, 5040, 5670, 5788, 6048, 6480, 7235, 7560, 8682, 9072, 10080, 10129, 11340, 11576, 12960, 13023, 14470, 15120, 17364, 18144, 20258, 21705, 22680, 23152, 26046, 28940, 30240, 30387, 34728, 39069, 40516, 43410, 45360, 46304, 50645, 52092, 57880, 60774, 65115, 69456, 78138, 81032, 86820, 90720, 91161, 101290, 104184, 115760, 117207, 121548, 130230, 138912, 151935, 156276, 162064, 173640, 182322, 195345, 202580, 208368, 231520, 234414, 243096, 260460, 273483, 303870, 312552, 324128, 347280, 364644, 390690, 405160, 416736, 455805, 468828, 486192, 520920, 546966, 586035, 607740, 625104, 694560, 729288, 781380, 810320, 820449, 911610, 937656, 972384, 1041840, 1093932, 1172070, 1215480, 1250208, 1367415, 1458576, 1562760, 1620640, 1640898, 1823220, 1875312, 2083680, 2187864, 2344140, 2430960, 2734830, 2917152, 3125520, 3281796, 3646440, 3750624, 4102245, 4375728, 4688280, 4861920, 5469660, 6251040, 6563592, 7292880, 8204490, 8751456, 9376560, 10939320, 13127184, 14585760, 16408980, 18753120, 21878640, 26254368, 32817960, 43757280, 65635920, 131271840]

約数ペア:

[(1, 131271840), (2, 65635920), (3, 43757280), (4, 32817960), (5, 26254368), (6, 21878640), (7, 18753120), (8, 16408980), (9, 14585760), (10, 13127184), (12, 10939320), (14, 9376560), (15, 8751456), (16, 8204490), (18, 7292880), (20, 6563592), (21, 6251040), (24, 5469660), (27, 4861920), (28, 4688280), (30, 4375728), (32, 4102245), (35, 3750624), (36, 3646440), (40, 3281796), (42, 3125520), (45, 2917152), (48, 2734830), (54, 2430960), (56, 2344140), (60, 2187864), (63, 2083680), (70, 1875312), (72, 1823220), (80, 1640898), (81, 1620640), (84, 1562760), (90, 1458576), (96, 1367415), (105, 1250208), (108, 1215480), (112, 1172070), (120, 1093932), (126, 1041840), (135, 972384), (140, 937656), (144, 911610), (160, 820449), (162, 810320), (168, 781380), (180, 729288), (189, 694560), (210, 625104), (216, 607740), (224, 586035), (240, 546966), (252, 520920), (270, 486192), (280, 468828), (288, 455805), (315, 416736), (324, 405160), (336, 390690), (360, 364644), (378, 347280), (405, 324128), (420, 312552), (432, 303870), (480, 273483), (504, 260460), (540, 243096), (560, 234414), (567, 231520), (630, 208368), (648, 202580), (672, 195345), (720, 182322), (756, 173640), (810, 162064), (840, 156276), (864, 151935), (945, 138912), (1008, 130230), (1080, 121548), (1120, 117207), (1134, 115760), (1260, 104184), (1296, 101290), (1440, 91161), (1447, 90720), (1512, 86820), (1620, 81032), (1680, 78138), (1890, 69456), (2016, 65115), (2160, 60774), (2268, 57880), (2520, 52092), (2592, 50645), (2835, 46304), (2894, 45360), (3024, 43410), (3240, 40516), (3360, 39069), (3780, 34728), (4320, 30387), (4341, 30240), (4536, 28940), (5040, 26046), (5670, 23152), (5788, 22680), (6048, 21705), (6480, 20258), (7235, 18144), (7560, 17364), (8682, 15120), (9072, 14470), (10080, 13023), (10129, 12960), (11340, 11576)]