164048440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 381173760

約数和(自身を除く): 217125320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 751, 860, 1016, 1270, 1502, 1720, 2540, 3004, 3755, 5080, 5461, 6008, 7510, 10922, 15020, 21844, 27305, 30040, 32293, 43688, 54610, 64586, 95377, 109220, 129172, 161465, 190754, 218440, 258344, 322930, 381508, 476885, 645860, 763016, 953770, 1291720, 1907540, 3815080, 4101211, 8202422, 16404844, 20506055, 32809688, 41012110, 82024220, 164048440]

約数ペア:

[(1, 164048440), (2, 82024220), (4, 41012110), (5, 32809688), (8, 20506055), (10, 16404844), (20, 8202422), (40, 4101211), (43, 3815080), (86, 1907540), (127, 1291720), (172, 953770), (215, 763016), (254, 645860), (344, 476885), (430, 381508), (508, 322930), (635, 258344), (751, 218440), (860, 190754), (1016, 161465), (1270, 129172), (1502, 109220), (1720, 95377), (2540, 64586), (3004, 54610), (3755, 43688), (5080, 32293), (5461, 30040), (6008, 27305), (7510, 21844), (10922, 15020)]