80871680

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 210155904

約数和(自身を除く): 129284224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 67, 80, 82, 92, 115, 128, 134, 160, 164, 184, 205, 230, 256, 268, 320, 328, 335, 368, 410, 460, 536, 640, 656, 670, 736, 820, 920, 943, 1072, 1280, 1312, 1340, 1472, 1541, 1640, 1840, 1886, 2144, 2624, 2680, 2747, 2944, 3082, 3280, 3680, 3772, 4288, 4715, 5248, 5360, 5494, 5888, 6164, 6560, 7360, 7544, 7705, 8576, 9430, 10496, 10720, 10988, 12328, 13120, 13735, 14720, 15088, 15410, 17152, 18860, 21440, 21976, 24656, 26240, 27470, 29440, 30176, 30820, 37720, 42880, 43952, 49312, 52480, 54940, 60352, 61640, 63181, 75440, 85760, 87904, 98624, 109880, 120704, 123280, 126362, 150880, 175808, 197248, 219760, 241408, 246560, 252724, 301760, 315905, 351616, 394496, 439520, 493120, 505448, 603520, 631810, 703232, 879040, 986240, 1010896, 1207040, 1263620, 1758080, 1972480, 2021792, 2527240, 3516160, 4043584, 5054480, 8087168, 10108960, 16174336, 20217920, 40435840, 80871680]

約数ペア:

[(1, 80871680), (2, 40435840), (4, 20217920), (5, 16174336), (8, 10108960), (10, 8087168), (16, 5054480), (20, 4043584), (23, 3516160), (32, 2527240), (40, 2021792), (41, 1972480), (46, 1758080), (64, 1263620), (67, 1207040), (80, 1010896), (82, 986240), (92, 879040), (115, 703232), (128, 631810), (134, 603520), (160, 505448), (164, 493120), (184, 439520), (205, 394496), (230, 351616), (256, 315905), (268, 301760), (320, 252724), (328, 246560), (335, 241408), (368, 219760), (410, 197248), (460, 175808), (536, 150880), (640, 126362), (656, 123280), (670, 120704), (736, 109880), (820, 98624), (920, 87904), (943, 85760), (1072, 75440), (1280, 63181), (1312, 61640), (1340, 60352), (1472, 54940), (1541, 52480), (1640, 49312), (1840, 43952), (1886, 42880), (2144, 37720), (2624, 30820), (2680, 30176), (2747, 29440), (2944, 27470), (3082, 26240), (3280, 24656), (3680, 21976), (3772, 21440), (4288, 18860), (4715, 17152), (5248, 15410), (5360, 15088), (5494, 14720), (5888, 13735), (6164, 13120), (6560, 12328), (7360, 10988), (7544, 10720), (7705, 10496), (8576, 9430)]