66978660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159473}}^1$

素因数の和:159492

約数の個数: 48

約数和(自身を含む): 214333056

約数和(自身を除く): 147354396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 159473, 318946, 478419, 637892, 797365, 956838, 1116311, 1594730, 1913676, 2232622, 2392095, 3189460, 3348933, 4465244, 4784190, 5581555, 6697866, 9568380, 11163110, 13395732, 16744665, 22326220, 33489330, 66978660]

約数ペア:

[(1, 66978660), (2, 33489330), (3, 22326220), (4, 16744665), (5, 13395732), (6, 11163110), (7, 9568380), (10, 6697866), (12, 5581555), (14, 4784190), (15, 4465244), (20, 3348933), (21, 3189460), (28, 2392095), (30, 2232622), (35, 1913676), (42, 1594730), (60, 1116311), (70, 956838), (84, 797365), (105, 637892), (140, 478419), (210, 318946), (420, 159473)]