90374080

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2591}}^1$

素因数の和:2717

約数の個数: 56

約数和(自身を含む): 217261440

約数和(自身を除く): 126887360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 2591, 3488, 4360, 5182, 6976, 8720, 10364, 12955, 17440, 20728, 25910, 34880, 41456, 51820, 82912, 103640, 165824, 207280, 282419, 414560, 564838, 829120, 1129676, 1412095, 2259352, 2824190, 4518704, 5648380, 9037408, 11296760, 18074816, 22593520, 45187040, 90374080]

約数ペア:

[(1, 90374080), (2, 45187040), (4, 22593520), (5, 18074816), (8, 11296760), (10, 9037408), (16, 5648380), (20, 4518704), (32, 2824190), (40, 2259352), (64, 1412095), (80, 1129676), (109, 829120), (160, 564838), (218, 414560), (320, 282419), (436, 207280), (545, 165824), (872, 103640), (1090, 82912), (1744, 51820), (2180, 41456), (2591, 34880), (3488, 25910), (4360, 20728), (5182, 17440), (6976, 12955), (8720, 10364)]