161417970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{256219}}^1$

素因数の和:256239

約数の個数: 48

約数和(自身を含む): 479643840

約数和(自身を除く): 318225870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 256219, 512438, 768657, 1281095, 1537314, 1793533, 2305971, 2562190, 3587066, 3843285, 4611942, 5380599, 7686570, 8967665, 10761198, 11529855, 16141797, 17935330, 23059710, 26902995, 32283594, 53805990, 80708985, 161417970]

約数ペア:

[(1, 161417970), (2, 80708985), (3, 53805990), (5, 32283594), (6, 26902995), (7, 23059710), (9, 17935330), (10, 16141797), (14, 11529855), (15, 10761198), (18, 8967665), (21, 7686570), (30, 5380599), (35, 4611942), (42, 3843285), (45, 3587066), (63, 2562190), (70, 2305971), (90, 1793533), (105, 1537314), (126, 1281095), (210, 768657), (315, 512438), (630, 256219)]