13237140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31517}}^1$

素因数の和:31536

約数の個数: 48

約数和(自身を含む): 42360192

約数和(自身を除く): 29123052

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, 31517, 63034, 94551, 126068, 157585, 189102, 220619, 315170, 378204, 441238, 472755, 630340, 661857, 882476, 945510, 1103095, 1323714, 1891020, 2206190, 2647428, 3309285, 4412380, 6618570, 13237140]

約数ペア:

[(1, 13237140), (2, 6618570), (3, 4412380), (4, 3309285), (5, 2647428), (6, 2206190), (7, 1891020), (10, 1323714), (12, 1103095), (14, 945510), (15, 882476), (20, 661857), (21, 630340), (28, 472755), (30, 441238), (35, 378204), (42, 315170), (60, 220619), (70, 189102), (84, 157585), (105, 126068), (140, 94551), (210, 63034), (420, 31517)]