70704640

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 172355040

約数和(自身を除く): 101650400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 389, 512, 568, 640, 710, 778, 1136, 1280, 1420, 1556, 1945, 2272, 2560, 2840, 3112, 3890, 4544, 5680, 6224, 7780, 9088, 11360, 12448, 15560, 18176, 22720, 24896, 27619, 31120, 36352, 45440, 49792, 55238, 62240, 90880, 99584, 110476, 124480, 138095, 181760, 199168, 220952, 248960, 276190, 441904, 497920, 552380, 883808, 995840, 1104760, 1767616, 2209520, 3535232, 4419040, 7070464, 8838080, 14140928, 17676160, 35352320, 70704640]

約数ペア:

[(1, 70704640), (2, 35352320), (4, 17676160), (5, 14140928), (8, 8838080), (10, 7070464), (16, 4419040), (20, 3535232), (32, 2209520), (40, 1767616), (64, 1104760), (71, 995840), (80, 883808), (128, 552380), (142, 497920), (160, 441904), (256, 276190), (284, 248960), (320, 220952), (355, 199168), (389, 181760), (512, 138095), (568, 124480), (640, 110476), (710, 99584), (778, 90880), (1136, 62240), (1280, 55238), (1420, 49792), (1556, 45440), (1945, 36352), (2272, 31120), (2560, 27619), (2840, 24896), (3112, 22720), (3890, 18176), (4544, 15560), (5680, 12448), (6224, 11360), (7780, 9088)]