165691540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7351}}^1$

素因数の和:7397

約数の個数: 72

約数和(自身を含む): 422416512

約数和(自身を除く): 256724972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 7351, 11270, 14702, 22540, 29404, 36755, 51457, 73510, 102914, 147020, 169073, 205828, 257285, 338146, 360199, 514570, 676292, 720398, 845365, 1029140, 1183511, 1440796, 1690730, 1800995, 2367022, 3381460, 3601990, 4734044, 5917555, 7203980, 8284577, 11835110, 16569154, 23670220, 33138308, 41422885, 82845770, 165691540]

約数ペア:

[(1, 165691540), (2, 82845770), (4, 41422885), (5, 33138308), (7, 23670220), (10, 16569154), (14, 11835110), (20, 8284577), (23, 7203980), (28, 5917555), (35, 4734044), (46, 3601990), (49, 3381460), (70, 2367022), (92, 1800995), (98, 1690730), (115, 1440796), (140, 1183511), (161, 1029140), (196, 845365), (230, 720398), (245, 676292), (322, 514570), (460, 360199), (490, 338146), (644, 257285), (805, 205828), (980, 169073), (1127, 147020), (1610, 102914), (2254, 73510), (3220, 51457), (4508, 36755), (5635, 29404), (7351, 22540), (11270, 14702)]