85304280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1109}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 256543200

約数和(自身を除く): 171238920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1109, 1282, 1923, 2218, 2564, 3205, 3327, 3846, 4436, 5128, 5545, 6410, 6654, 7692, 8872, 9615, 11090, 12820, 13308, 15384, 16635, 19230, 22180, 25640, 26616, 33270, 38460, 44360, 66540, 76920, 133080, 710869, 1421738, 2132607, 2843476, 3554345, 4265214, 5686952, 7108690, 8530428, 10663035, 14217380, 17060856, 21326070, 28434760, 42652140, 85304280]

約数ペア:

[(1, 85304280), (2, 42652140), (3, 28434760), (4, 21326070), (5, 17060856), (6, 14217380), (8, 10663035), (10, 8530428), (12, 7108690), (15, 5686952), (20, 4265214), (24, 3554345), (30, 2843476), (40, 2132607), (60, 1421738), (120, 710869), (641, 133080), (1109, 76920), (1282, 66540), (1923, 44360), (2218, 38460), (2564, 33270), (3205, 26616), (3327, 25640), (3846, 22180), (4436, 19230), (5128, 16635), (5545, 15384), (6410, 13308), (6654, 12820), (7692, 11090), (8872, 9615)]