1340807680

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30809}}^1$

素因数の和:30849

約数の個数: 80

約数和(自身を含む): 3404012040

約数和(自身を除く): 2063204360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 30809, 43520, 61618, 123236, 154045, 246472, 308090, 492944, 523753, 616180, 985888, 1047506, 1232360, 1971776, 2095012, 2464720, 2618765, 3943552, 4190024, 4929440, 5237530, 7887104, 8380048, 9858880, 10475060, 15774208, 16760096, 19717760, 20950120, 33520192, 39435520, 41900240, 67040384, 78871040, 83800480, 134080768, 167600960, 268161536, 335201920, 670403840, 1340807680]

約数ペア:

[(1, 1340807680), (2, 670403840), (4, 335201920), (5, 268161536), (8, 167600960), (10, 134080768), (16, 83800480), (17, 78871040), (20, 67040384), (32, 41900240), (34, 39435520), (40, 33520192), (64, 20950120), (68, 19717760), (80, 16760096), (85, 15774208), (128, 10475060), (136, 9858880), (160, 8380048), (170, 7887104), (256, 5237530), (272, 4929440), (320, 4190024), (340, 3943552), (512, 2618765), (544, 2464720), (640, 2095012), (680, 1971776), (1088, 1232360), (1280, 1047506), (1360, 985888), (2176, 616180), (2560, 523753), (2720, 492944), (4352, 308090), (5440, 246472), (8704, 154045), (10880, 123236), (21760, 61618), (30809, 43520)]