12817140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30517}}^1$

素因数の和:30536

約数の個数: 48

約数和(自身を含む): 41016192

約数和(自身を除く): 28199052

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, 30517, 61034, 91551, 122068, 152585, 183102, 213619, 305170, 366204, 427238, 457755, 610340, 640857, 854476, 915510, 1068095, 1281714, 1831020, 2136190, 2563428, 3204285, 4272380, 6408570, 12817140]

約数ペア:

[(1, 12817140), (2, 6408570), (3, 4272380), (4, 3204285), (5, 2563428), (6, 2136190), (7, 1831020), (10, 1281714), (12, 1068095), (14, 915510), (15, 854476), (20, 640857), (21, 610340), (28, 457755), (30, 427238), (35, 366204), (42, 305170), (60, 213619), (70, 183102), (84, 152585), (105, 122068), (140, 91551), (210, 61034), (420, 30517)]