321502572

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 928287360

約数和(自身を除く): 606784788

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 43, 51, 57, 68, 76, 86, 102, 114, 129, 153, 171, 172, 204, 228, 258, 306, 323, 342, 387, 516, 612, 643, 646, 684, 731, 774, 817, 969, 1286, 1292, 1462, 1548, 1634, 1929, 1938, 2193, 2451, 2572, 2907, 2924, 3268, 3858, 3876, 4386, 4902, 5787, 5814, 6579, 7353, 7716, 8772, 9804, 10931, 11574, 11628, 12217, 13158, 13889, 14706, 21862, 23148, 24434, 26316, 27649, 27778, 29412, 32793, 36651, 41667, 43724, 48868, 55298, 55556, 65586, 73302, 82947, 83334, 98379, 109953, 110596, 125001, 131172, 146604, 165894, 166668, 196758, 207689, 219906, 248841, 250002, 331788, 393516, 415378, 439812, 470033, 497682, 500004, 525331, 623067, 830756, 940066, 995364, 1050662, 1246134, 1410099, 1575993, 1869201, 1880132, 2101324, 2492268, 2820198, 3151986, 3738402, 4230297, 4727979, 5640396, 6303972, 7476804, 8460594, 8930627, 9455958, 16921188, 17861254, 18911916, 26791881, 35722508, 53583762, 80375643, 107167524, 160751286, 321502572]

約数ペア:

[(1, 321502572), (2, 160751286), (3, 107167524), (4, 80375643), (6, 53583762), (9, 35722508), (12, 26791881), (17, 18911916), (18, 17861254), (19, 16921188), (34, 9455958), (36, 8930627), (38, 8460594), (43, 7476804), (51, 6303972), (57, 5640396), (68, 4727979), (76, 4230297), (86, 3738402), (102, 3151986), (114, 2820198), (129, 2492268), (153, 2101324), (171, 1880132), (172, 1869201), (204, 1575993), (228, 1410099), (258, 1246134), (306, 1050662), (323, 995364), (342, 940066), (387, 830756), (516, 623067), (612, 525331), (643, 500004), (646, 497682), (684, 470033), (731, 439812), (774, 415378), (817, 393516), (969, 331788), (1286, 250002), (1292, 248841), (1462, 219906), (1548, 207689), (1634, 196758), (1929, 166668), (1938, 165894), (2193, 146604), (2451, 131172), (2572, 125001), (2907, 110596), (2924, 109953), (3268, 98379), (3858, 83334), (3876, 82947), (4386, 73302), (4902, 65586), (5787, 55556), (5814, 55298), (6579, 48868), (7353, 43724), (7716, 41667), (8772, 36651), (9804, 32793), (10931, 29412), (11574, 27778), (11628, 27649), (12217, 26316), (13158, 24434), (13889, 23148), (14706, 21862)]