1559180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 4002768

約数和(自身を除く): 2443588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 49, 70, 74, 86, 98, 140, 148, 172, 185, 196, 215, 245, 259, 301, 370, 430, 490, 518, 602, 740, 860, 980, 1036, 1204, 1295, 1505, 1591, 1813, 2107, 2590, 3010, 3182, 3626, 4214, 5180, 6020, 6364, 7252, 7955, 8428, 9065, 10535, 11137, 15910, 18130, 21070, 22274, 31820, 36260, 42140, 44548, 55685, 77959, 111370, 155918, 222740, 311836, 389795, 779590, 1559180]

約数ペア:

[(1, 1559180), (2, 779590), (4, 389795), (5, 311836), (7, 222740), (10, 155918), (14, 111370), (20, 77959), (28, 55685), (35, 44548), (37, 42140), (43, 36260), (49, 31820), (70, 22274), (74, 21070), (86, 18130), (98, 15910), (140, 11137), (148, 10535), (172, 9065), (185, 8428), (196, 7955), (215, 7252), (245, 6364), (259, 6020), (301, 5180), (370, 4214), (430, 3626), (490, 3182), (518, 3010), (602, 2590), (740, 2107), (860, 1813), (980, 1591), (1036, 1505), (1204, 1295)]