31757880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 192

約数和(自身を含む): 121150080

約数和(自身を除く): 89392200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 490, 491, 539, 588, 616, 660, 735, 770, 840, 924, 980, 982, 1078, 1155, 1176, 1320, 1470, 1473, 1540, 1617, 1848, 1960, 1964, 2156, 2310, 2455, 2695, 2940, 2946, 3080, 3234, 3437, 3928, 4312, 4620, 4910, 5390, 5401, 5880, 5892, 6468, 6874, 7365, 8085, 9240, 9820, 10311, 10780, 10802, 11784, 12936, 13748, 14730, 16170, 16203, 17185, 19640, 20622, 21560, 21604, 24059, 27005, 27496, 29460, 32340, 32406, 34370, 37807, 41244, 43208, 48118, 51555, 54010, 58920, 64680, 64812, 68740, 72177, 75614, 81015, 82488, 96236, 103110, 108020, 113421, 120295, 129624, 137480, 144354, 151228, 162030, 189035, 192472, 206220, 216040, 226842, 240590, 264649, 288708, 302456, 324060, 360885, 378070, 412440, 453684, 481180, 529298, 567105, 577416, 648120, 721770, 756140, 793947, 907368, 962360, 1058596, 1134210, 1323245, 1443540, 1512280, 1587894, 2117192, 2268420, 2646490, 2887080, 3175788, 3969735, 4536840, 5292980, 6351576, 7939470, 10585960, 15878940, 31757880]

約数ペア:

[(1, 31757880), (2, 15878940), (3, 10585960), (4, 7939470), (5, 6351576), (6, 5292980), (7, 4536840), (8, 3969735), (10, 3175788), (11, 2887080), (12, 2646490), (14, 2268420), (15, 2117192), (20, 1587894), (21, 1512280), (22, 1443540), (24, 1323245), (28, 1134210), (30, 1058596), (33, 962360), (35, 907368), (40, 793947), (42, 756140), (44, 721770), (49, 648120), (55, 577416), (56, 567105), (60, 529298), (66, 481180), (70, 453684), (77, 412440), (84, 378070), (88, 360885), (98, 324060), (105, 302456), (110, 288708), (120, 264649), (132, 240590), (140, 226842), (147, 216040), (154, 206220), (165, 192472), (168, 189035), (196, 162030), (210, 151228), (220, 144354), (231, 137480), (245, 129624), (264, 120295), (280, 113421), (294, 108020), (308, 103110), (330, 96236), (385, 82488), (392, 81015), (420, 75614), (440, 72177), (462, 68740), (490, 64812), (491, 64680), (539, 58920), (588, 54010), (616, 51555), (660, 48118), (735, 43208), (770, 41244), (840, 37807), (924, 34370), (980, 32406), (982, 32340), (1078, 29460), (1155, 27496), (1176, 27005), (1320, 24059), (1470, 21604), (1473, 21560), (1540, 20622), (1617, 19640), (1848, 17185), (1960, 16203), (1964, 16170), (2156, 14730), (2310, 13748), (2455, 12936), (2695, 11784), (2940, 10802), (2946, 10780), (3080, 10311), (3234, 9820), (3437, 9240), (3928, 8085), (4312, 7365), (4620, 6874), (4910, 6468), (5390, 5892), (5401, 5880)]