513660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 1645056

約数和(自身を除く): 1131396

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, 1223, 2446, 3669, 4892, 6115, 7338, 8561, 12230, 14676, 17122, 18345, 24460, 25683, 34244, 36690, 42805, 51366, 73380, 85610, 102732, 128415, 171220, 256830, 513660]

約数ペア:

[(1, 513660), (2, 256830), (3, 171220), (4, 128415), (5, 102732), (6, 85610), (7, 73380), (10, 51366), (12, 42805), (14, 36690), (15, 34244), (20, 25683), (21, 24460), (28, 18345), (30, 17122), (35, 14676), (42, 12230), (60, 8561), (70, 7338), (84, 6115), (105, 4892), (140, 3669), (210, 2446), (420, 1223)]