85378464

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 255999744

約数和(自身を除く): 170621280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 73, 93, 96, 124, 131, 144, 146, 186, 219, 248, 262, 279, 288, 292, 372, 393, 438, 496, 524, 558, 584, 657, 744, 786, 876, 992, 1048, 1116, 1168, 1179, 1314, 1488, 1572, 1752, 2096, 2232, 2263, 2336, 2358, 2628, 2976, 3144, 3504, 4061, 4192, 4464, 4526, 4716, 5256, 6288, 6789, 7008, 8122, 8928, 9052, 9432, 9563, 10512, 12183, 12576, 13578, 16244, 18104, 18864, 19126, 20367, 21024, 24366, 27156, 28689, 32488, 36208, 36549, 37728, 38252, 40734, 48732, 54312, 57378, 64976, 72416, 73098, 76504, 81468, 86067, 97464, 108624, 114756, 129952, 146196, 153008, 162936, 172134, 194928, 217248, 229512, 292392, 296453, 306016, 325872, 344268, 389856, 459024, 584784, 592906, 651744, 688536, 889359, 918048, 1169568, 1185812, 1377072, 1778718, 2371624, 2668077, 2754144, 3557436, 4743248, 5336154, 7114872, 9486496, 10672308, 14229744, 21344616, 28459488, 42689232, 85378464]

約数ペア:

[(1, 85378464), (2, 42689232), (3, 28459488), (4, 21344616), (6, 14229744), (8, 10672308), (9, 9486496), (12, 7114872), (16, 5336154), (18, 4743248), (24, 3557436), (31, 2754144), (32, 2668077), (36, 2371624), (48, 1778718), (62, 1377072), (72, 1185812), (73, 1169568), (93, 918048), (96, 889359), (124, 688536), (131, 651744), (144, 592906), (146, 584784), (186, 459024), (219, 389856), (248, 344268), (262, 325872), (279, 306016), (288, 296453), (292, 292392), (372, 229512), (393, 217248), (438, 194928), (496, 172134), (524, 162936), (558, 153008), (584, 146196), (657, 129952), (744, 114756), (786, 108624), (876, 97464), (992, 86067), (1048, 81468), (1116, 76504), (1168, 73098), (1179, 72416), (1314, 64976), (1488, 57378), (1572, 54312), (1752, 48732), (2096, 40734), (2232, 38252), (2263, 37728), (2336, 36549), (2358, 36208), (2628, 32488), (2976, 28689), (3144, 27156), (3504, 24366), (4061, 21024), (4192, 20367), (4464, 19126), (4526, 18864), (4716, 18104), (5256, 16244), (6288, 13578), (6789, 12576), (7008, 12183), (8122, 10512), (8928, 9563), (9052, 9432)]