161765730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{256771}}^1$

素因数の和:256791

約数の個数: 48

約数和(自身を含む): 480677184

約数和(自身を除く): 318911454

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, 256771, 513542, 770313, 1283855, 1540626, 1797397, 2310939, 2567710, 3594794, 3851565, 4621878, 5392191, 7703130, 8986985, 10784382, 11554695, 16176573, 17973970, 23109390, 26960955, 32353146, 53921910, 80882865, 161765730]

約数ペア:

[(1, 161765730), (2, 80882865), (3, 53921910), (5, 32353146), (6, 26960955), (7, 23109390), (9, 17973970), (10, 16176573), (14, 11554695), (15, 10784382), (18, 8986985), (21, 7703130), (30, 5392191), (35, 4621878), (42, 3851565), (45, 3594794), (63, 2567710), (70, 2310939), (90, 1797397), (105, 1540626), (126, 1283855), (210, 770313), (315, 513542), (630, 256771)]