381641580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2120231}}^1$

素因数の和:2120246

約数の個数: 36

約数和(自身を含む): 1157646672

約数和(自身を除く): 776005092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2120231, 4240462, 6360693, 8480924, 10601155, 12721386, 19082079, 21202310, 25442772, 31803465, 38164158, 42404620, 63606930, 76328316, 95410395, 127213860, 190820790, 381641580]

約数ペア:

[(1, 381641580), (2, 190820790), (3, 127213860), (4, 95410395), (5, 76328316), (6, 63606930), (9, 42404620), (10, 38164158), (12, 31803465), (15, 25442772), (18, 21202310), (20, 19082079), (30, 12721386), (36, 10601155), (45, 8480924), (60, 6360693), (90, 4240462), (180, 2120231)]