73851520

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 177633000

約数和(自身を除く): 103781480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 449, 514, 640, 898, 1028, 1285, 1796, 2056, 2245, 2570, 3592, 4112, 4490, 5140, 7184, 8224, 8980, 10280, 14368, 16448, 17960, 20560, 28736, 32896, 35920, 41120, 57472, 71840, 82240, 115393, 143680, 164480, 230786, 287360, 461572, 576965, 923144, 1153930, 1846288, 2307860, 3692576, 4615720, 7385152, 9231440, 14770304, 18462880, 36925760, 73851520]

約数ペア:

[(1, 73851520), (2, 36925760), (4, 18462880), (5, 14770304), (8, 9231440), (10, 7385152), (16, 4615720), (20, 3692576), (32, 2307860), (40, 1846288), (64, 1153930), (80, 923144), (128, 576965), (160, 461572), (257, 287360), (320, 230786), (449, 164480), (514, 143680), (640, 115393), (898, 82240), (1028, 71840), (1285, 57472), (1796, 41120), (2056, 35920), (2245, 32896), (2570, 28736), (3592, 20560), (4112, 17960), (4490, 16448), (5140, 14368), (7184, 10280), (8224, 8980)]