31987872

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 240

約数和(自身を含む): 112698432

約数和(自身を除く): 80710560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 43, 48, 54, 56, 63, 72, 81, 82, 84, 86, 96, 108, 112, 123, 126, 129, 144, 162, 164, 168, 172, 189, 216, 224, 246, 252, 258, 287, 288, 301, 324, 328, 336, 344, 369, 378, 387, 432, 492, 504, 516, 567, 574, 602, 648, 656, 672, 688, 738, 756, 774, 861, 864, 903, 984, 1008, 1032, 1107, 1134, 1148, 1161, 1204, 1296, 1312, 1376, 1476, 1512, 1548, 1722, 1763, 1806, 1968, 2016, 2064, 2214, 2268, 2296, 2322, 2408, 2583, 2592, 2709, 2952, 3024, 3096, 3321, 3444, 3483, 3526, 3612, 3936, 4128, 4428, 4536, 4592, 4644, 4816, 5166, 5289, 5418, 5904, 6048, 6192, 6642, 6888, 6966, 7052, 7224, 7749, 8127, 8856, 9072, 9184, 9288, 9632, 10332, 10578, 10836, 11808, 12341, 12384, 13284, 13776, 13932, 14104, 14448, 15498, 15867, 16254, 17712, 18144, 18576, 20664, 21156, 21672, 23247, 24381, 24682, 26568, 27552, 27864, 28208, 28896, 30996, 31734, 32508, 35424, 37023, 37152, 41328, 42312, 43344, 46494, 47601, 48762, 49364, 53136, 55728, 56416, 61992, 63468, 65016, 74046, 82656, 84624, 86688, 92988, 95202, 97524, 98728, 106272, 111069, 111456, 123984, 126936, 130032, 142803, 148092, 169248, 185976, 190404, 195048, 197456, 222138, 247968, 253872, 260064, 285606, 296184, 333207, 371952, 380808, 390096, 394912, 444276, 507744, 571212, 592368, 666414, 743904, 761616, 780192, 888552, 999621, 1142424, 1184736, 1332828, 1523232, 1777104, 1999242, 2284848, 2665656, 3554208, 3998484, 4569696, 5331312, 7996968, 10662624, 15993936, 31987872]

約数ペア:

[(1, 31987872), (2, 15993936), (3, 10662624), (4, 7996968), (6, 5331312), (7, 4569696), (8, 3998484), (9, 3554208), (12, 2665656), (14, 2284848), (16, 1999242), (18, 1777104), (21, 1523232), (24, 1332828), (27, 1184736), (28, 1142424), (32, 999621), (36, 888552), (41, 780192), (42, 761616), (43, 743904), (48, 666414), (54, 592368), (56, 571212), (63, 507744), (72, 444276), (81, 394912), (82, 390096), (84, 380808), (86, 371952), (96, 333207), (108, 296184), (112, 285606), (123, 260064), (126, 253872), (129, 247968), (144, 222138), (162, 197456), (164, 195048), (168, 190404), (172, 185976), (189, 169248), (216, 148092), (224, 142803), (246, 130032), (252, 126936), (258, 123984), (287, 111456), (288, 111069), (301, 106272), (324, 98728), (328, 97524), (336, 95202), (344, 92988), (369, 86688), (378, 84624), (387, 82656), (432, 74046), (492, 65016), (504, 63468), (516, 61992), (567, 56416), (574, 55728), (602, 53136), (648, 49364), (656, 48762), (672, 47601), (688, 46494), (738, 43344), (756, 42312), (774, 41328), (861, 37152), (864, 37023), (903, 35424), (984, 32508), (1008, 31734), (1032, 30996), (1107, 28896), (1134, 28208), (1148, 27864), (1161, 27552), (1204, 26568), (1296, 24682), (1312, 24381), (1376, 23247), (1476, 21672), (1512, 21156), (1548, 20664), (1722, 18576), (1763, 18144), (1806, 17712), (1968, 16254), (2016, 15867), (2064, 15498), (2214, 14448), (2268, 14104), (2296, 13932), (2322, 13776), (2408, 13284), (2583, 12384), (2592, 12341), (2709, 11808), (2952, 10836), (3024, 10578), (3096, 10332), (3321, 9632), (3444, 9288), (3483, 9184), (3526, 9072), (3612, 8856), (3936, 8127), (4128, 7749), (4428, 7224), (4536, 7052), (4592, 6966), (4644, 6888), (4816, 6642), (5166, 6192), (5289, 6048), (5418, 5904)]