216660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 637056

約数和(自身を除く): 420396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 157, 230, 276, 314, 345, 460, 471, 628, 690, 785, 942, 1380, 1570, 1884, 2355, 3140, 3611, 4710, 7222, 9420, 10833, 14444, 18055, 21666, 36110, 43332, 54165, 72220, 108330, 216660]

約数ペア:

[(1, 216660), (2, 108330), (3, 72220), (4, 54165), (5, 43332), (6, 36110), (10, 21666), (12, 18055), (15, 14444), (20, 10833), (23, 9420), (30, 7222), (46, 4710), (60, 3611), (69, 3140), (92, 2355), (115, 1884), (138, 1570), (157, 1380), (230, 942), (276, 785), (314, 690), (345, 628), (460, 471)]