155345680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1773

約数の個数: 120

約数和(自身を含む): 438668352

約数和(自身を除く): 283322672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1723, 1840, 1960, 2254, 2576, 3220, 3446, 3920, 4508, 5635, 6440, 6892, 8615, 9016, 11270, 12061, 12880, 13784, 17230, 18032, 22540, 24122, 27568, 34460, 39629, 45080, 48244, 60305, 68920, 79258, 84427, 90160, 96488, 120610, 137840, 158516, 168854, 192976, 198145, 241220, 277403, 317032, 337708, 396290, 422135, 482440, 554806, 634064, 675416, 792580, 844270, 964880, 1109612, 1350832, 1387015, 1585160, 1688540, 1941821, 2219224, 2774030, 3170320, 3377080, 3883642, 4438448, 5548060, 6754160, 7767284, 9709105, 11096120, 15534568, 19418210, 22192240, 31069136, 38836420, 77672840, 155345680]

約数ペア:

[(1, 155345680), (2, 77672840), (4, 38836420), (5, 31069136), (7, 22192240), (8, 19418210), (10, 15534568), (14, 11096120), (16, 9709105), (20, 7767284), (23, 6754160), (28, 5548060), (35, 4438448), (40, 3883642), (46, 3377080), (49, 3170320), (56, 2774030), (70, 2219224), (80, 1941821), (92, 1688540), (98, 1585160), (112, 1387015), (115, 1350832), (140, 1109612), (161, 964880), (184, 844270), (196, 792580), (230, 675416), (245, 634064), (280, 554806), (322, 482440), (368, 422135), (392, 396290), (460, 337708), (490, 317032), (560, 277403), (644, 241220), (784, 198145), (805, 192976), (920, 168854), (980, 158516), (1127, 137840), (1288, 120610), (1610, 96488), (1723, 90160), (1840, 84427), (1960, 79258), (2254, 68920), (2576, 60305), (3220, 48244), (3446, 45080), (3920, 39629), (4508, 34460), (5635, 27568), (6440, 24122), (6892, 22540), (8615, 18032), (9016, 17230), (11270, 13784), (12061, 12880)]