85432480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 248985576

約数和(自身を除く): 163553096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 560, 595, 641, 680, 784, 833, 952, 980, 1120, 1190, 1282, 1360, 1568, 1666, 1904, 1960, 2380, 2564, 2720, 3205, 3332, 3808, 3920, 4165, 4487, 4760, 5128, 6410, 6664, 7840, 8330, 8974, 9520, 10256, 10897, 12820, 13328, 16660, 17948, 19040, 20512, 21794, 22435, 25640, 26656, 31409, 33320, 35896, 43588, 44870, 51280, 54485, 62818, 66640, 71792, 76279, 87176, 89740, 102560, 108970, 125636, 133280, 143584, 152558, 157045, 174352, 179480, 217940, 251272, 305116, 314090, 348704, 358960, 381395, 435880, 502544, 533953, 610232, 628180, 717920, 762790, 871760, 1005088, 1067906, 1220464, 1256360, 1525580, 1743520, 2135812, 2440928, 2512720, 2669765, 3051160, 4271624, 5025440, 5339530, 6102320, 8543248, 10679060, 12204640, 17086496, 21358120, 42716240, 85432480]

約数ペア:

[(1, 85432480), (2, 42716240), (4, 21358120), (5, 17086496), (7, 12204640), (8, 10679060), (10, 8543248), (14, 6102320), (16, 5339530), (17, 5025440), (20, 4271624), (28, 3051160), (32, 2669765), (34, 2512720), (35, 2440928), (40, 2135812), (49, 1743520), (56, 1525580), (68, 1256360), (70, 1220464), (80, 1067906), (85, 1005088), (98, 871760), (112, 762790), (119, 717920), (136, 628180), (140, 610232), (160, 533953), (170, 502544), (196, 435880), (224, 381395), (238, 358960), (245, 348704), (272, 314090), (280, 305116), (340, 251272), (392, 217940), (476, 179480), (490, 174352), (544, 157045), (560, 152558), (595, 143584), (641, 133280), (680, 125636), (784, 108970), (833, 102560), (952, 89740), (980, 87176), (1120, 76279), (1190, 71792), (1282, 66640), (1360, 62818), (1568, 54485), (1666, 51280), (1904, 44870), (1960, 43588), (2380, 35896), (2564, 33320), (2720, 31409), (3205, 26656), (3332, 25640), (3808, 22435), (3920, 21794), (4165, 20512), (4487, 19040), (4760, 17948), (5128, 16660), (6410, 13328), (6664, 12820), (7840, 10897), (8330, 10256), (8974, 9520)]