85361920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1396

約数の個数: 108

約数和(自身を含む): 238025844

約数和(自身を除く): 152663924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1361, 1568, 1792, 1960, 2240, 2722, 3136, 3920, 4480, 5444, 6272, 6805, 7840, 8960, 9527, 10888, 12544, 13610, 15680, 19054, 21776, 27220, 31360, 38108, 43552, 47635, 54440, 62720, 66689, 76216, 87104, 95270, 108880, 133378, 152432, 174208, 190540, 217760, 266756, 304864, 333445, 348416, 381080, 435520, 533512, 609728, 666890, 762160, 871040, 1067024, 1219456, 1333780, 1524320, 1742080, 2134048, 2438912, 2667560, 3048640, 4268096, 5335120, 6097280, 8536192, 10670240, 12194560, 17072384, 21340480, 42680960, 85361920]

約数ペア:

[(1, 85361920), (2, 42680960), (4, 21340480), (5, 17072384), (7, 12194560), (8, 10670240), (10, 8536192), (14, 6097280), (16, 5335120), (20, 4268096), (28, 3048640), (32, 2667560), (35, 2438912), (40, 2134048), (49, 1742080), (56, 1524320), (64, 1333780), (70, 1219456), (80, 1067024), (98, 871040), (112, 762160), (128, 666890), (140, 609728), (160, 533512), (196, 435520), (224, 381080), (245, 348416), (256, 333445), (280, 304864), (320, 266756), (392, 217760), (448, 190540), (490, 174208), (560, 152432), (640, 133378), (784, 108880), (896, 95270), (980, 87104), (1120, 76216), (1280, 66689), (1361, 62720), (1568, 54440), (1792, 47635), (1960, 43552), (2240, 38108), (2722, 31360), (3136, 27220), (3920, 21776), (4480, 19054), (5444, 15680), (6272, 13610), (6805, 12544), (7840, 10888), (8960, 9527)]