78345456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{541}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 232270848

約数和(自身を除く): 153925392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 431, 541, 862, 1082, 1293, 1623, 1724, 2164, 2586, 3017, 3246, 3448, 3787, 4328, 5172, 6034, 6492, 6896, 7574, 8656, 9051, 10344, 11361, 12068, 12984, 15148, 18102, 20688, 22722, 24136, 25968, 30296, 36204, 45444, 48272, 60592, 72408, 90888, 144816, 181776, 233171, 466342, 699513, 932684, 1399026, 1632197, 1865368, 2798052, 3264394, 3730736, 4896591, 5596104, 6528788, 9793182, 11192208, 13057576, 19586364, 26115152, 39172728, 78345456]

約数ペア:

[(1, 78345456), (2, 39172728), (3, 26115152), (4, 19586364), (6, 13057576), (7, 11192208), (8, 9793182), (12, 6528788), (14, 5596104), (16, 4896591), (21, 3730736), (24, 3264394), (28, 2798052), (42, 1865368), (48, 1632197), (56, 1399026), (84, 932684), (112, 699513), (168, 466342), (336, 233171), (431, 181776), (541, 144816), (862, 90888), (1082, 72408), (1293, 60592), (1623, 48272), (1724, 45444), (2164, 36204), (2586, 30296), (3017, 25968), (3246, 24136), (3448, 22722), (3787, 20688), (4328, 18102), (5172, 15148), (6034, 12984), (6492, 12068), (6896, 11361), (7574, 10344), (8656, 9051)]