65947980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157019}}^1$

素因数の和:157038

約数の個数: 48

約数和(自身を含む): 211034880

約数和(自身を除く): 145086900

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, 157019, 314038, 471057, 628076, 785095, 942114, 1099133, 1570190, 1884228, 2198266, 2355285, 3140380, 3297399, 4396532, 4710570, 5495665, 6594798, 9421140, 10991330, 13189596, 16486995, 21982660, 32973990, 65947980]

約数ペア:

[(1, 65947980), (2, 32973990), (3, 21982660), (4, 16486995), (5, 13189596), (6, 10991330), (7, 9421140), (10, 6594798), (12, 5495665), (14, 4710570), (15, 4396532), (20, 3297399), (21, 3140380), (28, 2355285), (30, 2198266), (35, 1884228), (42, 1570190), (60, 1099133), (70, 942114), (84, 785095), (105, 628076), (140, 471057), (210, 314038), (420, 157019)]