81774630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{883}}^1$

素因数の和:920

約数の個数: 128

約数和(自身を含む): 254592000

約数和(自身を除く): 172817370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 686, 735, 882, 883, 945, 1029, 1323, 1470, 1715, 1766, 1890, 2058, 2205, 2646, 2649, 3087, 3430, 4410, 4415, 5145, 5298, 6174, 6181, 6615, 7947, 8830, 9261, 10290, 12362, 13230, 13245, 15435, 15894, 18522, 18543, 23841, 26490, 30870, 30905, 37086, 39735, 43267, 46305, 47682, 55629, 61810, 79470, 86534, 92610, 92715, 111258, 119205, 129801, 166887, 185430, 216335, 238410, 259602, 278145, 302869, 333774, 389403, 432670, 556290, 605738, 649005, 778806, 834435, 908607, 1168209, 1298010, 1514345, 1668870, 1817214, 1947015, 2336418, 2725821, 3028690, 3894030, 4543035, 5451642, 5841045, 8177463, 9086070, 11682090, 13629105, 16354926, 27258210, 40887315, 81774630]

約数ペア:

[(1, 81774630), (2, 40887315), (3, 27258210), (5, 16354926), (6, 13629105), (7, 11682090), (9, 9086070), (10, 8177463), (14, 5841045), (15, 5451642), (18, 4543035), (21, 3894030), (27, 3028690), (30, 2725821), (35, 2336418), (42, 1947015), (45, 1817214), (49, 1668870), (54, 1514345), (63, 1298010), (70, 1168209), (90, 908607), (98, 834435), (105, 778806), (126, 649005), (135, 605738), (147, 556290), (189, 432670), (210, 389403), (245, 333774), (270, 302869), (294, 278145), (315, 259602), (343, 238410), (378, 216335), (441, 185430), (490, 166887), (630, 129801), (686, 119205), (735, 111258), (882, 92715), (883, 92610), (945, 86534), (1029, 79470), (1323, 61810), (1470, 55629), (1715, 47682), (1766, 46305), (1890, 43267), (2058, 39735), (2205, 37086), (2646, 30905), (2649, 30870), (3087, 26490), (3430, 23841), (4410, 18543), (4415, 18522), (5145, 15894), (5298, 15435), (6174, 13245), (6181, 13230), (6615, 12362), (7947, 10290), (8830, 9261)]