71676180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{811}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 218129184

約数和(自身を除く): 146453004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 811, 982, 1473, 1622, 1964, 2433, 2455, 2946, 3244, 4055, 4419, 4866, 4910, 5892, 7299, 7365, 8110, 8838, 9732, 9820, 12165, 14598, 14730, 16220, 17676, 22095, 24330, 29196, 29460, 36495, 44190, 48660, 72990, 88380, 145980, 398201, 796402, 1194603, 1592804, 1991005, 2389206, 3583809, 3982010, 4778412, 5973015, 7167618, 7964020, 11946030, 14335236, 17919045, 23892060, 35838090, 71676180]

約数ペア:

[(1, 71676180), (2, 35838090), (3, 23892060), (4, 17919045), (5, 14335236), (6, 11946030), (9, 7964020), (10, 7167618), (12, 5973015), (15, 4778412), (18, 3982010), (20, 3583809), (30, 2389206), (36, 1991005), (45, 1592804), (60, 1194603), (90, 796402), (180, 398201), (491, 145980), (811, 88380), (982, 72990), (1473, 48660), (1622, 44190), (1964, 36495), (2433, 29460), (2455, 29196), (2946, 24330), (3244, 22095), (4055, 17676), (4419, 16220), (4866, 14730), (4910, 14598), (5892, 12165), (7299, 9820), (7365, 9732), (8110, 8838)]