71168440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 196162560

約数和(自身を除く): 124994120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 257, 280, 301, 322, 344, 430, 460, 514, 602, 644, 805, 860, 920, 989, 1028, 1204, 1285, 1288, 1505, 1610, 1720, 1799, 1978, 2056, 2408, 2570, 3010, 3220, 3598, 3956, 4945, 5140, 5911, 6020, 6440, 6923, 7196, 7912, 8995, 9890, 10280, 11051, 11822, 12040, 13846, 14392, 17990, 19780, 22102, 23644, 27692, 29555, 34615, 35980, 39560, 41377, 44204, 47288, 55255, 55384, 59110, 69230, 71960, 77357, 82754, 88408, 110510, 118220, 138460, 154714, 165508, 206885, 221020, 236440, 254173, 276920, 309428, 331016, 386785, 413770, 442040, 508346, 618856, 773570, 827540, 1016692, 1270865, 1547140, 1655080, 1779211, 2033384, 2541730, 3094280, 3558422, 5083460, 7116844, 8896055, 10166920, 14233688, 17792110, 35584220, 71168440]

約数ペア:

[(1, 71168440), (2, 35584220), (4, 17792110), (5, 14233688), (7, 10166920), (8, 8896055), (10, 7116844), (14, 5083460), (20, 3558422), (23, 3094280), (28, 2541730), (35, 2033384), (40, 1779211), (43, 1655080), (46, 1547140), (56, 1270865), (70, 1016692), (86, 827540), (92, 773570), (115, 618856), (140, 508346), (161, 442040), (172, 413770), (184, 386785), (215, 331016), (230, 309428), (257, 276920), (280, 254173), (301, 236440), (322, 221020), (344, 206885), (430, 165508), (460, 154714), (514, 138460), (602, 118220), (644, 110510), (805, 88408), (860, 82754), (920, 77357), (989, 71960), (1028, 69230), (1204, 59110), (1285, 55384), (1288, 55255), (1505, 47288), (1610, 44204), (1720, 41377), (1799, 39560), (1978, 35980), (2056, 34615), (2408, 29555), (2570, 27692), (3010, 23644), (3220, 22102), (3598, 19780), (3956, 17990), (4945, 14392), (5140, 13846), (5911, 12040), (6020, 11822), (6440, 11051), (6923, 10280), (7196, 9890), (7912, 8995)]