31240188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 97870080

約数和(自身を除く): 66629892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 43, 54, 62, 63, 84, 86, 93, 108, 124, 126, 129, 172, 186, 189, 217, 252, 258, 279, 301, 372, 378, 387, 434, 516, 558, 602, 651, 756, 774, 837, 868, 903, 961, 1116, 1161, 1204, 1302, 1333, 1548, 1674, 1806, 1922, 1953, 2322, 2604, 2666, 2709, 2883, 3348, 3612, 3844, 3906, 3999, 4644, 5332, 5418, 5766, 5859, 6727, 7812, 7998, 8127, 8649, 9331, 10836, 11532, 11718, 11997, 13454, 15996, 16254, 17298, 18662, 20181, 23436, 23994, 25947, 26908, 27993, 32508, 34596, 35991, 37324, 40362, 41323, 47988, 51894, 55986, 60543, 71982, 80724, 82646, 83979, 103788, 111972, 121086, 123969, 143964, 165292, 167958, 181629, 242172, 247938, 251937, 289261, 335916, 363258, 371907, 495876, 503874, 578522, 726516, 743814, 867783, 1007748, 1115721, 1157044, 1487628, 1735566, 2231442, 2603349, 3471132, 4462884, 5206698, 7810047, 10413396, 15620094, 31240188]

約数ペア:

[(1, 31240188), (2, 15620094), (3, 10413396), (4, 7810047), (6, 5206698), (7, 4462884), (9, 3471132), (12, 2603349), (14, 2231442), (18, 1735566), (21, 1487628), (27, 1157044), (28, 1115721), (31, 1007748), (36, 867783), (42, 743814), (43, 726516), (54, 578522), (62, 503874), (63, 495876), (84, 371907), (86, 363258), (93, 335916), (108, 289261), (124, 251937), (126, 247938), (129, 242172), (172, 181629), (186, 167958), (189, 165292), (217, 143964), (252, 123969), (258, 121086), (279, 111972), (301, 103788), (372, 83979), (378, 82646), (387, 80724), (434, 71982), (516, 60543), (558, 55986), (602, 51894), (651, 47988), (756, 41323), (774, 40362), (837, 37324), (868, 35991), (903, 34596), (961, 32508), (1116, 27993), (1161, 26908), (1204, 25947), (1302, 23994), (1333, 23436), (1548, 20181), (1674, 18662), (1806, 17298), (1922, 16254), (1953, 15996), (2322, 13454), (2604, 11997), (2666, 11718), (2709, 11532), (2883, 10836), (3348, 9331), (3612, 8649), (3844, 8127), (3906, 7998), (3999, 7812), (4644, 6727), (5332, 5859), (5418, 5766)]