87642660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208673}}^1$

素因数の和:208692

約数の個数: 48

約数和(自身を含む): 280457856

約数和(自身を除く): 192815196

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, 208673, 417346, 626019, 834692, 1043365, 1252038, 1460711, 2086730, 2504076, 2921422, 3130095, 4173460, 4382133, 5842844, 6260190, 7303555, 8764266, 12520380, 14607110, 17528532, 21910665, 29214220, 43821330, 87642660]

約数ペア:

[(1, 87642660), (2, 43821330), (3, 29214220), (4, 21910665), (5, 17528532), (6, 14607110), (7, 12520380), (10, 8764266), (12, 7303555), (14, 6260190), (15, 5842844), (20, 4382133), (21, 4173460), (28, 3130095), (30, 2921422), (35, 2504076), (42, 2086730), (60, 1460711), (70, 1252038), (84, 1043365), (105, 834692), (140, 626019), (210, 417346), (420, 208673)]