138426880

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2351}}^1$

素因数の和:2397

約数の個数: 80

約数和(自身を含む): 346477824

約数和(自身を除く): 208050944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1840, 2351, 2560, 2944, 3680, 4702, 5888, 7360, 9404, 11755, 11776, 14720, 18808, 23510, 29440, 37616, 47020, 54073, 58880, 75232, 94040, 108146, 150464, 188080, 216292, 270365, 300928, 376160, 432584, 540730, 601856, 752320, 865168, 1081460, 1203712, 1504640, 1730336, 2162920, 3009280, 3460672, 4325840, 6018560, 6921344, 8651680, 13842688, 17303360, 27685376, 34606720, 69213440, 138426880]

約数ペア:

[(1, 138426880), (2, 69213440), (4, 34606720), (5, 27685376), (8, 17303360), (10, 13842688), (16, 8651680), (20, 6921344), (23, 6018560), (32, 4325840), (40, 3460672), (46, 3009280), (64, 2162920), (80, 1730336), (92, 1504640), (115, 1203712), (128, 1081460), (160, 865168), (184, 752320), (230, 601856), (256, 540730), (320, 432584), (368, 376160), (460, 300928), (512, 270365), (640, 216292), (736, 188080), (920, 150464), (1280, 108146), (1472, 94040), (1840, 75232), (2351, 58880), (2560, 54073), (2944, 47020), (3680, 37616), (4702, 29440), (5888, 23510), (7360, 18808), (9404, 14720), (11755, 11776)]