7856280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 25880400

約数和(自身を除く): 18024120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 157, 180, 278, 314, 360, 417, 471, 556, 628, 695, 785, 834, 942, 1112, 1251, 1256, 1390, 1413, 1570, 1668, 1884, 2085, 2355, 2502, 2780, 2826, 3140, 3336, 3768, 4170, 4710, 5004, 5560, 5652, 6255, 6280, 7065, 8340, 9420, 10008, 11304, 12510, 14130, 16680, 18840, 21823, 25020, 28260, 43646, 50040, 56520, 65469, 87292, 109115, 130938, 174584, 196407, 218230, 261876, 327345, 392814, 436460, 523752, 654690, 785628, 872920, 982035, 1309380, 1571256, 1964070, 2618760, 3928140, 7856280]

約数ペア:

[(1, 7856280), (2, 3928140), (3, 2618760), (4, 1964070), (5, 1571256), (6, 1309380), (8, 982035), (9, 872920), (10, 785628), (12, 654690), (15, 523752), (18, 436460), (20, 392814), (24, 327345), (30, 261876), (36, 218230), (40, 196407), (45, 174584), (60, 130938), (72, 109115), (90, 87292), (120, 65469), (139, 56520), (157, 50040), (180, 43646), (278, 28260), (314, 25020), (360, 21823), (417, 18840), (471, 16680), (556, 14130), (628, 12510), (695, 11304), (785, 10008), (834, 9420), (942, 8340), (1112, 7065), (1251, 6280), (1256, 6255), (1390, 5652), (1413, 5560), (1570, 5004), (1668, 4710), (1884, 4170), (2085, 3768), (2355, 3336), (2502, 3140), (2780, 2826)]